When Leo and Naomi are drafted, along with 22 of the world's brightest teenagers, into the International Space Training Camp, their lives are forever changed. Overnight, they become global celebrities in contention for one of the six slots to travel to Europa - Jupiter's moon - and establish a new colony, leaving their planet forever. With Earth irreparably damaged, the future of the human race rests on their shoulders. But Naomi is suspicious of the ISTC and the fact that a similar mission failed under mysterious circumstances, killing the astronauts on board.

AIDAN is the AI you'll love to hate. The advanced AI system was supposed to protect a fleet of survivors who'd escaped the deadly attack on Kerenza IV. AIDAN was supposed to be infallible. But in the chaotic weeks and months that followed, it became clear that something was terribly, terribly wrong with AIDAN....

Nicole Morgan has been labeled many things - the geeky music girl, the shy sidekick of Miss Popularity, and the girl with the scar. Now only one name haunts her through the halls of Oyster Bay Prep. The girl in the picture. After heartthrob Chace Porter is found dead in the woods near the school, the police search for the girl snuggled up next to him in a picture discovered among his personal effects. A girl no one knew was even close to him - and whose best friend, Lana Rivera, was his girlfriend.

When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland - an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away. Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet.

NASA is about to launch Apollo 18. While the mission has been billed as a scientific one, flight controller Kazimieras "Kaz" Zemeckis knows there is a darker objective. Intelligence has discovered a secret Soviet space station spying on America, and Apollo 18 may be the only chance to stop it. But as Kaz races to keep the NASA crew one step ahead of their Russian rivals, a deadly accident reveals that not everyone involved is who they were thought to be. With political stakes stretched to the breaking point, the White House and the Kremlin can only watch as their astronauts collide.

For as long as she can remember, Evangeline Fox has believed in true love and happy endings…until she learns that the love of her life will marry another. Desperate to stop the wedding and to heal her wounded heart, Evangeline strikes a deal with the charismatic, but wicked, Prince of Hearts. In exchange for his help, he asks for three kisses, to be given at the time and place of his choosing. But after Evangeline’s first promised kiss, she learns that bargaining with an immortal is a dangerous game—and that the Prince of Hearts wants far more from her than she’d pledged.

The daughter of two astronauts, Romy Silvers is no stranger to life in space. But she never knew how isolating the universe could be until her parents’ tragic deaths left her alone on the Infinity, a spaceship speeding away from Earth. It seems like a dream come true when NASA alerts her that another ship, the Eternity, will be joining the Infinity. Romy begins exchanging messages with J, the captain of the Eternity. But as the Eternity gets closer, Romy learns there’s more to J’s mission than she could have imagined.

What's right is right. Sonya Kantor knows this slogan—she lived by it for most of her life. For decades, everyone in the Seattle-Portland megalopolis lived under it, as well as constant surveillance in the form of the Insight, an ocular implant that tracked every word and every action, rewarding or punishing by a rigid moral code set forth by the Delegation. Then there was a revolution. The Delegation fell. Its most valuable members were locked in the Aperture, a prison on the outskirts of the city. And everyone else, now free from monitoring, went on with their lives.

Mankind has long dreamed of reaching out to live on other planets, and with the establishment of the Mars Endeavour colony, that dream has become reality. The fledgling colony consists of 120 scientists, astronauts, medical staff, and engineers. Buried deep underground, they're protected from the harsh radiation that sterilizes the surface of the planet. The colony is prepared for every eventuality except one - what happens when disaster strikes Earth?

Ambrose wakes up on the Coordinated Endeavor with no memory of a launch. There’s more that doesn’t add up: evidence indicates strangers have been on board, the ship’s operating system is voiced by his mother, and his handsome, brooding shipmate has barricaded himself away. But nothing will stop Ambrose from making his mission succeed—not when he’s rescuing his own sister.

It was supposed to be the perfect prom weekend getaway. But it's clear something terrible happened when Claire wakes up alone and bloodied on a hiking trail with no memory of the past 48 hours. Now everyone wants answers - most of all, Claire. She remembers Friday night, but, after that...nothing. And now Kat and Jesse - her best friends - are missing. What happened on the mountain? And where are Kat and Jesse? Claire knows the answers are buried somewhere in her memory. But as she's learning, everyone has secrets - even her best friends.

They were sent to build a utopia, but all they found on Mars was death. Frank Kitteridge has been abandoned. But XO, the greedy - and ultimately murderous - corporate architects of humanity's first Mars base made a costly mistake when they left him there: They left him alive. Using his skills and his wits, he's going to find a way back home even if it kills him. Little does he know that Mars isn't completely empty. Just over the mountain, there's another XO base where things are going terribly, catastrophically wrong.

The urge to explore and discover is a natural and universal one, and the edge of the unknown is expanded with each passing year as scientific advancements inch us closer and closer to the outer reaches of our solar system and the galaxies beyond them. Generations of writers have explored these new frontiers and the endless possibilities they present in great detail. The Final Frontier delivers stories from across this literary spectrum, a reminder that the universe is far large and brimming with possibilities than we could ever imagine, as hard as we may try.

The ice is coming. It was the last thing we expected, but the world is freezing. A new ice age has dawned. Billions have fled the glaciers. A cataclysmic war is coming. In orbit, a group of scientists are running the Winter Experiments, a last-ditch attempt to understand why the planet is cooling. None of the climate models they build make sense. But then they discover an anomaly, an unexplained variation in solar radiation...and something else. Close to the burning edge of the sun, they catch a fleeting glimpse of something that shouldn’t be there....

Hazel Sinnett is a lady who wants to be a surgeon more than she wants to marry. Jack Currer is a resurrection man who’s just trying to survive in a city where it’s too easy to die. When the two of them have a chance encounter outside the Edinburgh Anatomist’s Society, Hazel thinks nothing of it at first. But after she gets kicked out of renowned surgeon Dr. Beecham’s lectures for being the wrong gender, she realizes that her new acquaintance might be more helpful than she first thought.

Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity's survival, Liam, along with his friend Phoebe, will be on the last starliner to depart before Mars, like Earth before it, is destroyed. Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space and find out that the human race is just one of many in our universe locked in a dangerous struggle for survival.

Rhoma Grace is a 16-year-old student from House Cancer with an unusual way of reading the stars. While her classmates use measurements to make accurate astrological predictions, she looks up at the night sky and makes up stories.

The Tantalus 13 survey expedition went off the rails as soon as Mary Ketch and the crew of the Diamelen learned that the thing beneath their feet wasn’t a planet. An impossibly vast and ancient artificial structure lies below, hidden from the universe under a façade of cratered stone. SCARAB arrived on Tantalus 13 two years ago. An artificially intelligent, self-constructing factory, it was supposed to aid the crew in their mission, to meet their every need.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

It's been over a century since three generation ships escaped an Earth dominated by artificial intelligence in pursuit of a life on a distant planet orbiting Tau Ceti. Now, it’s nearly Braking Day, when the ships will begin their long-awaited descent to their new home. Born on the lower decks of the Archimedes, Ravi Macleod is an engineer-in-training, set to be the first of his family to become an officer in the stratified hierarchy aboard the ship. While on a routine inspection, Ravi sees the impossible: a young woman floating, helmetless, out in space.

They tried to destroy our planets. Our way of life. They tried to send us into extinction. But we, the Coalition, fought them and won. That was a decade ago. They’re known as the Host: a cabal of aliens seeking to dominate our sector of space. And they’re back - with help from a powerful new enemy. We’re outnumbered and unprepared. But there is hope. An ancient race of long-dead but technologically advanced aliens called the Navigators have a ship called the Blackstar that could potentially turn the tide. That is if I, Kai Locke, a humble ship racer, can find it and learn how to harness its power in time.

The year is AD 2790. With space elevators and giant orbital fleets hovering over Earth, open war looks inevitable, and people are anxious to get away. The lines are drawn, with the Confederacy in the East and the First World Alliance in the West. In hopes of finding a refuge from the looming war, the Alliance is sending Captain Alexander de Leon to explore an Earth-type planet, code-named Wonderland, but at the last minute before launch, a Confederate fleet leaves orbit on a trajectory that threatens both the mission and Alliance sovereignty.

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

Tina never worries about being 'ordinary' - she doesn't have to, since she's known practically forever that she's not just Tina Mains, average teenager and beloved daughter. She's also the keeper of an interplanetary rescue beacon, and one day soon, it's going to activate, and then her dreams of saving all the worlds and adventuring among the stars will finally be possible.

The crew of Moonbase Columbus makes an amazing discovery on the far side of the Moon - a massive alien structure is erecting itself, built up atom by atom by living machines, microscopically small, intelligent, and unstoppable, consuming everything they touch. The mysterious structure begins to expand and take shape, and its creators begin to multiply. Is this the first strike in an alien invasion from the stars? Or has human nanotechnology experimentation gone awry, triggering an unexpected infestation?

In this New York Times Notable Book of the Year, a strange new life form threatens all of humanity, and only a fool would stand in its way. Katmer Al Shei has done well with the starship Pasadena, cutting corners where necessary to keep her crew paid and her journeys profitable. But there are two things she will never skimp on: her crew - and her fool. For a long space journey, a certified Fool’s Guild clown is essential, to amuse, excite, and otherwise distract the crew from the drudgeries of interstellar flight.

Alyssa Farshot has spent her whole life trying to outrun her family legacy, even leaving behind the Kingship and her uncle, the emperor, for a life of exploring. But when her dying uncle announces a crownchase - a search for the royal seal hidden in the empire that will determine the next ruler - Alyssa is thrust into her greatest, most dangerous adventure yet.

Stella Ainsley leaves poverty behind when she quits her engineering job aboard the Stalwart to become a governess on a private ship. On the Rochester, there’s no water ration, more books than one person could devour in a lifetime, and an AI who seems more friend than robot. But no one warned Stella that the ship seems to be haunted, nor that it may be involved in a conspiracy that could topple the entire interstellar fleet.

Earth is about to go dark. Without a new power source, life as we know it will be toast. A global competition is under way to determine which four kids will join the secret mission that might just save us all. Project Alpha is a contest of physical challenges, mental puzzles, and strategic alliances. The battle is fierce. Who will lead the team? Who will pilot the most complicated space ship ever built? Who will be a friend? An enemy? And how will they survive over a year stuck on a space ship together?

Matt Cruse is a cabin boy on the Aurora, a huge airship that sails hundreds of feet above the ocean. One night he meets a dying balloonist who speaks of beautiful creatures drifting through the skies. It is only after Matt meets the balloonist's granddaughter that he realizes that the man's ravings may, in fact, have been true, and that the creatures are completely real and utterly mysterious.

Sera Lighthaven has always felt as if she didn’t quite belong among her people, the Cerulean, who live in the city above the sky. She is curious about everything - especially the planet her city is magically tethered to - and can’t stop questioning things. Sera has always longed for the day when the tether will finally break and the Cerulean can move to a new planet. But when Sera is chosen as the sacrifice to break the tether, she feels betrayed by everything in which she’d been taught to trust. In order to save her city, Sera must end her own life.

When Leo and Naomi are drafted, along with 22 of the world's brightest teenagers, into the International Space Training Camp, their lives are forever changed. Overnight, they become global celebrities in contention for one of the six slots to travel to Europa - Jupiter's moon - and establish a new colony, leaving their planet forever. With Earth irreparably damaged, the future of the human race rests on their shoulders. But Naomi is suspicious of the ISTC and the fact that a similar mission failed under mysterious circumstances, killing the astronauts on board.

Ever since her troubled mother abandoned her, Trix McCabe has preferred to stay on the move. But when she lands with her long-lost relatives, she finds out that the McCabe women have talents like her own that defy explanation: pies that cure all ills, palm-reading that never misses the mark, knowledge of secrets that have never been told. Before long, Trix feels like she might finally have found somewhere she belongs. But when her past comes back to haunt her, she’ll have to decide whether to take a chance on this new life...or keep running from the one she’s always known.

One minute they’re there: laughing and having fun at the house next door. The next minute, the teens are gone. Like magic. Marin can’t believe her eyes. Who are they? Can anyone else see them? What makes them so happy? Marin is lonely in this new town of hers and eager to figure out more. Then she meets Charley, who reveals that he knows about them, too. He calls them the “Remarkables”. Charley warns her to stay away from the Remarkables - and him.

Seattle, 1913. Dorothy spent her life learning the art of the con. But after meeting a stranger and stowing away on his peculiar aircraft, she wakes up in a chilling version of the world she left behind - and for the first time in her life, realizes she’s in way over her head. New Seattle, 2077. If there was ever a girl who was trouble, it was one who snuck on board Ash’s time machine wearing a wedding gown - and the last thing he needs is trouble if he wants to prevent his terrifying visions of the future from coming true.

Jessie Archer is a member of the Athena Protocol, an elite organization of female spies who enact vigilante justice around the world. Athena operatives are never supposed to shoot to kill - so when Jessie can’t stop herself from pulling the trigger, she gets kicked out of the organization, right before a huge mission to take down a human trafficker in Belgrade. Jessie needs to right her wrong and prove herself, so she starts her own investigation into the trafficking.

Ware can’t wait to spend summer "off in his own world" dreaming of knights in the Middle Ages and generally being left alone. But then his parents sign him up for dreaded Rec camp, where he must endure Meaningful Social Interaction and whatever activities so-called "normal" kids do. On his first day, Ware meets Jolene, a tough, secretive girl planting a garden in the rubble of an abandoned church next to the camp. Soon, he starts skipping Rec, creating a castle-like space of his own in the church lot.

This uplifting tale, which award-winning author Leslie Connor dubbed "a perfectly paced journey of the heart" is perfect for fans of Lisa Graff and Lynda Mullaly Hunt. Cyrus Olson's dad is a hero - Northfield’s former football star and now one of their finest firefighters. Everyone expects Cyrus to follow in his dad’s record-breaking footsteps, and he wishes they were right - except he's never been brave like that. But this year, with the help of a stray dog, a few new friends, a little bit of rhythm, and a lot of nerve, he may just discover that actually...he is.

Rion Kwirk comes from a rather odd family. His mother named him and his sisters after her favorite constellations, and his father makes funky-flavored jellybeans for a living. One sister acts as if she’s always on stage, and the other is a walking dictionary. But no one in the family is more odd than Rion’s grandfather, Papa Kwirk. He’s the kind of guy who shows up on his motorcycle only on holidays handing out crossbows and stuffed squirrels as presents. Rion has always been fascinated by Papa Kwirk, especially as his son - Rion’s father - is the complete opposite.

Cassandra McMurtrey has the best parents a girl could ask for; they’ve given Cass a life she wouldn’t trade for the world. She has everything she needs - but she has questions, too. Like, to know who she is. Where she came from. Questions her adoptive parents can’t answer, no matter how much they love her. But 18 years ago, someone wrote Cass a series of letters. And they may just hold the answers Cass has been searching for.