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.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

Get ready to experience two more origin stories in the Backyard Starship universe.

In the 25th century, humans have conquered space. The advent of faster-than-light travel has opened up hundreds of habitable planets for colonization, and humans have exploited the virtually limitless space and resources for hundreds of years with impunity. So complacent have they become with the overabundance that armed conflict is a thing of the past, and their machines of war are obsolete and decrepit. What would happen if they were suddenly threatened by a terrifying new enemy?

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.

Living and slaving in Fill City One, you get used to the smell. We call it the Everpresent Stink. But every once in a while, on a spring day with a breeze, it clears away enough to remind us that there is something more out there. Most Fillers' wildest dreams would be just to get past the walls and live in the mainland. But my dream? It’s a little bigger. I’m going to Mars.

Geophysicist Jack Greer believes he may finally have found the resting place of the meteorite that wiped out the dinosaurs 65 million years ago. A few miles off the Yucatán coast, Jack and a team of scientists tow an aging drilling platform over the impact crater with the aim of securing a sample. But buried deep beneath the earth lies a shocking discovery that threatens to shatter everything we think we know about our species.

Bodega. Lover. Sniper. Thief. Scourge of the wicked. In fact, scourge of anyone if there's money to be made. A lawless man in a galaxy overrun by villains, Mork beasts, Dildonians, and the dreaded imperial forces of Crem Slumdump. Aided by his otherwise unemployable crew of drunks, criminals, assassins, and broken down combat droids, Bodega seeks fortune, and trouble seeks him.

Two centuries after humanity colonized the stars, new dangers emerge. The peaceful inhabitants of the Conclave are threatened by expanding alien powers. Invaders threaten the star cluster, attacking our fringe settlements. Captain Bill Gorman has mysteriously disappeared. His clone, set aside for a dark day like this, awakens and begins to put together the pieces. What’s gone wrong out on the frontier? Why are our colonies being attacked by aliens while the Conclave worlds dream of better days? And what happened to the original Captain Gorman?

When the biggest colony ship in human history was sent to settle a paradise world, an accident hurtled it deep into uncharted space. A thousand light years from Earth, with no way home and no way to call for help, the colonists’ only hope for survival was the one barely habitable planet in range, a nightmare world they named Croatoan. Landing on the only five mountain peaks tall enough to rise above the lethal acid clouds, the settlers carved a civilization from the rock.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth.

Breathable air on Earth is running out and no one knows why. A mysterious discovery nearly 30 million years old may hold the answer. To find it, a glaciologist and the inventor of a cutting-edge brain implant will need to work together. But can they unlock its shocking secrets in time to save humankind? Filled with stunning twists and turns, Augmented is a technothriller that will leave you breathless!

In the sprawling Imperium of Mankind, everyone serves the Emperor in their own way. From the Inquisitors who hunt the hidden enemies of humanity in the dark places of the galaxy to the brave soldiers who stand on the front line, and the Imperial Assassins who can change the tides of war with a single shot, each has a part to play in preserving the Imperium. This audio drama anthology contains eight stories of the agents who dispense the Emperor's justice.

This is the story of Leif Grettison, a crew member of humanity’s first flight to the stars, even though he had not expected to take that trip. The year is 2069. The Troubles, a decade plus of proxy, and direct warfare among the US, Russia, and China, had brought the world to the brink of apocalypse. It was close enough to finally scare the leaders of the powers into signing the Geneva Treaties, a set of agreements pledging peace, cooperation, and the dismantling of the military complexes.