In the depths of an ancient Egyptian tomb, archaeologists make a baffling discovery: the mummified body of a man clad in a space suit. Halfway around the globe, exobiologist Dr. Katherine Shepard and intelligence officer Colonel Devon Peters are summoned to the site of a downed UFO. To their amazement, they find one of the occupants alive. Even more shocking, he appears to be human. As Shepard and Peters delve deeper into the enigma, they expose a chilling truth: aliens have inhabited Earth far longer than anyone could have imagined, and they are not alone.

Commander Scott McNabb and the crew of the science vessel, Hermes, are three years into a five-year-long survey of the asteroid belt when they discover a derelict spaceship in orbit around a binary asteroid. The ship contains an experimental quantum device, lost while en route to a research colony on Europa.

Carpenter Lowell is a disgraced Marine assigned to a remote US research station on Saturn's moon Enceladus, where scientists have made an extraordinary discovery in the ocean below. A special forces team, led by Lowell’s murderous former commanding officer, shows up to investigate. Almost immediately, everything begins to unravel. Something beneath the surface has been activated.

Two researchers working to save Earth from its climate crisis unexpectedly uncover a 100,000-year-old secret under Antarctica's ice. Will our ancient ancestor's secret be Earth’s salvation or the greatest threat to our survival? The action is fast-paced and nonstop in this international thriller to save the planet and humankind.

Chronicler Tsai Yini monitors the tachyon communication system, which transmits data faster than the speed of light. When classified results from an astrobiologist's research are leaked to her, she cannot believe what she reads. The report reveals that intelligent life forms exist on a tropical planet in the Gliese system. Their civilization is still in its infancy but revolves around an artifact of unknown origin that seems to influence their body chemistry.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

Indiana Jones meets The X-Files in this thrilling, globe-spanning adventure about the greatest treasure hunt of all time—where ancient secrets collide with cutting-edge technology. In the high-stakes world of ancient artifacts and clandestine organizations, a trio of unlikely misfits are drafted into a desperate race to prevent the assembly of a long lost device.

When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.

Dalton Greaves is a hero. He’s one of humankind’s first representatives to Unity, a pan-species confederation working to bring all sentient life into a single benevolent brotherhood. That’s what they told him, anyway. The only actual members of Unity that he’s ever met are Boreau, a giant snail who seems more interested in plunder than spreading love and harmony, and Boreau’s human sidekick, Neera, who Dalton strongly suspects roped him into this gig so that she wouldn’t become the next one of Boreau’s crew to get eaten by locals while prospecting.

In Lake Maracaibo, in the northwestern part of Venezuela, a long-hidden extraterrestrial artifact underneath the ocean floor triggers a disaster. The United States military launches an expedition, sending a cutting-edge team of international researchers to the source of a magnetic instability that's destroying any electronics in the region.

In the year 2031, a robot probe detects traces of biological activity on Enceladus, one of Saturn's moons. This sensational discovery shows that there is indeed evidence of extraterrestrial life. Fifteen years later, a hurriedly built spacecraft sets out on the long journey to the ringed planet and its moon. The international crew is not just facing a difficult twenty-seven months: if the spacecraft manages to make it to Enceladus without incident it must use a drillship to penetrate the kilometer-thick sheet of ice that entombs the moon.

Drake, a retired police detective, receives a call in the dead of night from an alien-obsessed podcaster. He hastily departs for Montana the following morning. The phenomenon continues all over the globe. What are they? What do they mean? Britt is on assignment for a digital magazine when she encounters one of the Glass in a tragic boating accident, leaving her no choice but to follow the lead. Panic ensues as mysterious creatures are sighted.

A mysterious object threatens to destroy our solar system. The survival of humankind is at risk, but nobody takes the warning of young astrophysicist Maribel Pedreira seriously. At the same time, an exiled crew of outcasts mines for rare minerals on a lone asteroid. When other scientists finally acknowledge Pedreira's alarming discovery, it becomes clear that these outcasts are the only ones who may be able to save our world, knowing that the Hole hurtles inexorably toward the sun.

TWO HOSPITAL BEDS in a Stanford University lab. Two still figures, attached by bundles of cables to the experimental QARMA supercomputer. Analise and Wolfe are true scientific pioneers, the first humans to ever leave the shells of their physical bodies to explore an entirely new virtual universe beyond time and space. But their creation, the most vivid VR metaverse ever envisioned, has come under attack.

After years of searching, Nathan Briggs is finally on the verge of making an incredible discovery. Unfortunately, the aliens have other plans. When Nathan stops a brutal attack on an unsuspecting victim, he gets more than he bargained for and sets into motion events that will change his life forever. They told him he should've run away, and maybe they were right. Nathan is about to embark on an adventure of a lifetime.

It is 2056. Mathematics professor Elisabeth Gabai is fascinated by multi-dimensional forms that have no equivalent in reality. Then, her boss sends her to the site of an artifact that might have come straight from her theories—or from the technology of an advanced civilization. Twenty-eight years earlier, physicist Max Webber is hell-bent on improving Einstein’s theories of relativity. His latest concept seems flawless, except it predicts the end of humanity. The extinction of Earth can only be prevented if Max can locate a multi-dimensional object.

A mysterious object threatens to destroy our solar system. The survival of humankind is at risk, but nobody takes the warning of young astrophysicist Maribel Pedreira seriously. At the same time, an exiled crew of outcasts mines for rare minerals on a lone asteroid. When other scientists finally acknowledge Pedreira's alarming discovery, it becomes clear that these outcasts are the only ones who may be able to save our world, knowing that the Hole hurtles inexorably toward the sun.

A planet in the endless emptiness of space, far from the warmth of any sun. And yet there are people who populate its vast caverns, living, working and loving. Since time immemorial, they have been on course for Andromeda, the neighboring galaxy of the Milky Way. This is the prophecy of the ancients, the one goal that unites them all, their cult. But then the unthinkable happens: the journey stops because the planet enters the orbit of a mysterious object that can't be seen in any telescope.

No one has ever ventured deeper into space than the four astronauts of Shepherd-1. The aim of their mission is to witness the creation of the cosmos. Using the sun as a lens, they are to align a flock of probes in such a way that the moment of the Big Bang becomes visible. For astronomer Christine, this is a dream come true. So she is bitterly disappointed when the first images are obscured by a kind of veil that prevents any insight. She works obsessively to find a solution, but when she finally succeeds in lifting the veil, she sees something that would have been better kept hidden...

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

Hatched from an egg along with their many brethren, a singular arachnid is driven by a survival instinct to hunt and feed. Unlike their siblings, they remain cautious and observant, aware of the dangers that lurk in the dungeon they call home. They watch as larger and more powerful beasts prey on other reckless, foolish spiders, developing a sense of self-preservation and a cunning intelligence they alone seem to possess.

When a salvage job on an old battlefield goes awry, Kril's left with no crew, no food, a suspiciously absent client, and far too many enemies. Fortunately, it's a big universe, and he's got a fast ship and the best pilot in twenty light-years to watch his back. His journey to keep 'er flying and get a crew back together will take him from rescue operations in collapsing freighters to fighting dinosaurs in the sewage canals of pirate paradises and to points beyond. The odds are stacked against him, but Kril keeps it simple.

The age of mankind is over, its empire reduced to a land of rubble and broken roads. Vicious things nest in the old, forgotten ruins, and what's left of humanity huddles in tiny communities that grow smaller every generation. But when a young boy is taken in by an unlikely ally, a glimmer of hope is born. After waking up in a mysterious forest with no weapons, supplies, or even memories of his life before, Dirt should have ended up a barely adequate snack. Luckily, he attracts the attention of a gigantic, curious wolf pup, who rescues him, and they quickly become friends.

One minute, Kaelan’s a marketing exec with a dreary life. The next, he’s summoned by a gorgeous priestess into a world of swords, magic, and a warlord out for his blood. He’s not sure it’s an improvement until he learns the rewards are most certainly worth the risks. With unique and mighty powers to unlock, levels to gain, and some daring damsels on his team, can he survive long enough to save the kingdom?

The ship survived, but over time the original crew died out. Their children were left to continue the fight for their home against their sworn enemy, the vicious alien Malibor. They’ve lived their whole lives in space. Their idea of heaven is open air, blue skies, and the quiet of peace. But they'll never have that if they don't take it by force.

All of the incredibly powerful high mages died out centuries ago. Nobody expected one to return. I was just a simple blacksmith apprentice when a visit by the mages of Essalin confirmed what I’d long suspected—I could touch the aether. Destined to be a mage, I’m plucked from my village alongside a feisty redhead so we could journey to the fabled city of the high mages to learn how to control and wield the aether. The road there isn’t going to be easy though.

Humans have reached the stars. There is no evidence any other species survived its own sentience long enough to do the same. Until now, when the Magellanix deep-space scout Accipiter discovers the Artifact, a million-year-old alien construct resting in a dormant volcano on a faraway world.

It's never wise to talk to strangers...and that goes double when they're dead. Unfortunately, seventeen-year-old Anna Morgan has no choice. Resting on a park bench, touching the turnstile at the Metro station - she never knows where she'll encounter a ghost. These mental hitchhikers are the reason Anna has been tossed from one foster home and psychiatric institution to the next for most of her life.

The heroes Terry Fairway once idolized have turned against him, hunting him down at every turn. His grandfather, the ruthless S-ranked necromancer who rules the city, watches from his throne as the people starve and suffer. Vampires stalk the streets unchecked, feeding on the innocent without fear of reprisal. Terry always believed his family were the good guys, but Wichita isn't a city of heroes or villains—it's a city of power. And if power is all that matters, then power is what Terry will seize.