When the Ornu came, they took Earth in a single night. Humanity never stood a chance. Now, they force us to crew their ships and fight their wars for them. They hold Earth hostage, and if we refuse to do their bidding, they’ll lay waste to our precious blue marble. Slaughtering the billions who live there. But when Captain Bill Henderson is sent to claim a small moon for his masters, he finds something they never accounted for. An ancient warship – a behemoth abandoned for millennia by a species that reached its peak at the dawn of the universe.

The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

The new galactic trade network that will fund the Free Fleet's operations is beginning to grow, and soon will begin operations. But if operations are not secure, it could threaten the safety of the entire galaxy . . . and beyond. Only one, very unlikely hero, can protect the galaxy against potential disaster. And he needs help.

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?

An interstellar colony ship on Earth prepares for take-off. Before reaching their first stop—Proxima b Centauri—they are awoken from their cryo pods early, only to learn there's been an alien invasion on Earth. But it's too late. Can the crew find a safe refuge from the invaders and track down colonists from other ships?

When the Ornu came, they took Earth in a single night. Humanity never stood a chance. Now, they force us to crew their ships and fight their wars for them. They hold Earth hostage, and if we refuse to do their bidding, they’ll lay waste to our precious blue marble. Slaughtering the billions who live there. But when Captain Bill Henderson is sent to claim a small moon for his masters, he finds something they never accounted for. An ancient warship – a behemoth abandoned for millennia by a species that reached its peak at the dawn of the universe.

The return of humanity's oldest enemy... An alien prophecy that predicts our species' downfall... And a captain who's the only thing standing in the way of his starship getting mothballed. Wait, what? Imagine Captain Keyes’ surprise when the fate of the galaxy turns out to depend on him, his decrepit ship, and his oddball crew.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

SADEs Hector and Trixie discover the world where the colonists of the Terminus, the fifth colony ship, settled. Unfortunately, their Trident squadrons arrive at the worst possible time and catastrophe strikes. The powerful fleets of three races are fighting for possession of a beatific world, Cercia. The Trident squadrons are occupied by SADEs skilled in exploration, astronomy, and data research. They’re unprepared for the onslaught of deadly probes, fighters, and warships directed against them.

Two centuries ago, the First Expansionary Fleet set off to the farthest reaches of the galaxy, hoping to explore, colonize, and conquer new worlds in the name of humanity. But when the fleet was violently and unexpectedly thrown off course, the colonists found themselves trapped in an unexplored region of the galaxy—and caught right in the middle of a bloody interstellar war. Now, after generations of relentless fighting, a tentative truce has finally ushered in an era of growth and prosperity.

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.

The extra-galactic bridge between Earth and Terra Nova reopens after decades. Governor Hale calls for aid against an impossible alien threat known as the Inheritors, an advanced alien species with a mysterious connection to old allies. Hale needs the most powerful soldiers in the galaxy: Armor.

A civilization-ending comet is headed for Earth. Two days before impact, thousands of mysterious pods land in a swath across North America. When people touch them, the pods open. Anyone who climbs inside is carried away. No one knows where the pods came from and no one knows where they go, but finding one is David Williams’ only chance to save his family from the end of the world … and escaping Earth is just the beginning.

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

Reuben Shirano is the worst kind of criminal: smart, ruthless, and with no lines he won't cross. He runs a tight, sophisticated operation backed by the powerful Tsai-Shirano conglomerate, proving time and time again to be untouchable by the system’s governing bodies. In other words, he’s precisely the type of person Captain Soo-jin Dokgo tries to avoid. But sometimes, you only get one little chance to bring an asshole to justice. She and the crew of Huli Jing are determined to bring him down and kick him where it hurts.

The colony on Haven-7 has gone rogue. The colonists have split into two factions: the Techborn and the Dusters. The Techborn have always ruled the planet. They control the remnants of the crashed starship that brought humanity to this new world. The Dusters… they eat Techborn dust. Now, the Techborn strength is waning. Their weapons are getting old, and radiation leaks from the aging reactors have created mutations. Some of these, like their brutish troops known as Tuskers, have proven useful—but others are abominations.

Out of the blue, a young Space Fleet officer's dream becomes reality: He's made captain of a starship. Just in time for the return of humanity's most terrible enemy, after 50 years of peace. To survive against this enemy, Captain Tad Thatcher will have to do more than learn how to become an effective commander, or how to wrangle his wayward crew. He will need to reinvent space combat. From scratch.

The stronger his opponent, the harder he hits. Saving an innocent from a drug-crazed superhuman should've left Nil broken. Instead, it wins him the Nexus' attention. Nil is done feeling small and watching his family scrape by. He now has the opportunity to make a difference. Apocalypse Arena holds the key; where the multiverse's champions battle and keep the Scourge at bay. Pain, death, and heartbreak await all who run the gauntlets, but Nil has what it takes to grapple his way to the top.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

Fresh out of the Academy, Ensign Cole Jackson’s first posting to Freedom couldn’t have come at a worse time. All over the Alliance, planets and colonies are suddenly under attack by the vicious Coven Empire. Freedom and her sister ship, Hood, are ambushed by alien warships, leaving Hood drifting dead in the void. Cole is ordered to salvage parts from the powerless Hood, but when he arrives on the unpowered hulk, Freedom is called away, marooning him and a group of malcontent techs in deep space.