In 2296, an unstoppable mass extinction is underway, and history proves society will collapse before it can change. Climate Council scientists have no choice but to unveil the Dawn Project. Their audacious plan will terraform the planet back to life… by erasing its civilization. Biologist Kaia Badra commits her life to the project’s success at all costs after a storm surge takes her parents.

When Captain Ryker Vaughn signed up for ordnance patrol, he knew that scavenging for improvised explosive devices carried risk. After unexpected and inexplicable dangers, he becomes the sole survivor of his team—and a double amputee. Cinching tourniquets on his traumatically amputated legs, he fends off enemies before losing consciousness.

Deadly radiation from a passing comet is about to destroy life on Earth. In desperation, the US government constructs a series of underground shelters to protect as many people as possible. They are expected to be underground for 20 years before returning back to the surface. But can they survive their time within the confines of the underground shelter? And what will they find when they finally emerge?

Rex Walker always wanted to be like his father: a daring, adventurous man, traveling the world in pursuit of mysterious relics. While teaching anthropology at a Boston college, Rex attempts to bury the past, until he discovers a hidden clue he can’t ignore. With the help of a former student, he teams up with an alien-obsessed billionaire, and they search for the fabled Bridge. As an unidentified object nears Pluto, speculation surges. Some hail it as the homecoming of a distant alien race, and this cult is unwavering in their efforts to usher our world into a new era.

Rapid colonization of the moon is pushing both national space agencies and powerful corporations to negotiate a New Lunar Accord in an effort to prevent escalating conflicts over valuable resources and territory. But hope that this treaty will bring stability to the nascent lunar civilization is suddenly dashed when a high-energy solar storm causes a cascade of destruction to the vast satellite constellations that orbit Earth. Now it’s only a matter of weeks before the ever-increasing debris cloud makes travel back to the home planet impossible.

When Noah sees an advertisement offering him a chance to rent a starship, he’s convinced it has to be a trick. Already having the worst day of his life, he’s willing to do anything for a distraction, including following a random stranger’s directions to the middle of nowhere to see a ship he doubts exists. Except there is no trick. The starship is real. And Noah’s life will never be the same.

Two civilizations clash. A rebellion grows. The fate of the galaxy hangs in the balance. Technical Chief "Pappy" Gunther is a grizzled, burning-out commando in the United Earth Armed Forces. He ponders a return to civilian life, yet feels a strong sense of belonging to his elite team. When colonists on a far-flung world request aid, a task force from several allied systems is assembled. Pappy and his crack unit are sent to investigate and to engage a mysterious alien force from beyond.

The day that changed Melody's life was like any other over the previous two years. She'd found she had a gift for writing, and her career as an author had almost healed the pain of losing her job. When the Secret Service rang her bell, everything changed. Something was nearing Saturn…and it was slowing down. Had she been right about the object?

It is not just the living ships of the monstrous Gorgons or the motion-blurred shock troops of the armored Cyphers that endanger the holdouts in the human bastion of Panther Ridge. The world itself has turned against the handful of survivors, as one by one they succumb to despair and suicide or, even worse, are transformed by otherworldly pollution into hideous Gray Men, cannibalistic mutants driven by insatiable hunger.

U.S. Marine Tyson Gage has only one option left: to become a bounty hunter, then collect enough loot and upgrades to mount a rescue among the stars... Eight hundred years in the future. Joined by his dog and a beautiful woman who, despite their attraction, is on his last nerve, Gage must leave life on Earth behind for a universe of aliens, criminals, and hyperspace more deadly and awesome than he can imagine.

Michael, a professor of particle physics, has discovered a way to pierce the veil of time and space, but in so doing, he’s unwittingly opened Pandora’s box. Is it possible to undo what a future version of yourself has done, or is the world doomed to the chaos that’s been loosed on the world?

In a distant future where advancements in cybernetics and gene-splicing have resulted in a dozen different variants of humanity, three individuals find themselves entangled in a conspiracy that could doom everyone in the colonized worlds. Paige Angstrom, a fierce and loyal Peacekeeper, yearns to shield her sister Volara from a life of corporate-indentured servitude. Hemlocke Shaw, a gene-spliced engineer, tirelessly searches for his missing eco-activist wife.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

Finn had thought he'd seen it all...but no...he had to admit...not quite everything.... There was a big universe out there, and it was about to land in his lap. Just how bad could it be? The modern-day world panics as a small alien force penetrates Earth's ineffective defenses. Countries circle, the promise of alien weaponry breeding greed and fear among opposing governments, as they struggle to take the aliens down.

Two years after an attack brought down the electrical grid across the United States, the recovery effort is well underway. A new network of armored trains carry supplies and industrial equipment crucial to rebuilding the country. But along the rails, one area of America is still mired in darkness, violence, and danger. Some call it the Badlands. Others the Wild West. The government simply refers to it as the New Frontier.