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?

When expert Navy linguist and cryptographer Charlie Cutter is recruited into a shadowy wing of the NCIS, she's tasked with unraveling a mysterious ancient text that has puzzled researchers for centuries. Charlie isn't eager to revisit her previous failures... but when she discovers the same strange language in top-secret photographs, she finds herself roped into a job that could make or break her young career.

1803. The Napoleonic Wars. A Royal Navy warship is ordered to pursue an enemy frigate to the icy waters far south in the Indian Ocean. There, it must capture the enemy ship and retrieve a mysterious sea chest, contents unknown, failure not permitted. For the determined young captain and his eager crew, this already dangerous mission turns into a battle with a mysterious vessel that appears not in the sea, but unbelievably, impossibly, in the sky above. But nothing could prepare the crew for what lay beyond the 50th latitude of south.

Life in a Martian colony can be tough for a 12-year-old! You can’t just go outside to hang out because, well, you’d suffocate and die. Elliot lives a regular Martian life. He goes to school, plays football, and tries to avoid the mean kids. But he never gets to leave the colony buildings. That is, until he goes on a science trip where he makes a discovery that could change the course of humanity forever: a strange doorway in a volcanic cave! Who put it there? What’s on the other side?

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.

Sara Morin, a brilliant computational biologist, makes a discovery that will fundamentally change our understanding of human evolution. But when she publishes her results, she ignites a firestorm she never expected.

Escaping wrongful imprisonment wasn't something Connor had in mind, but being put into stasis aboard Earth's first interstellar colony ship was something he couldn't have prepared for. For 300,000 colonists, the new colony brings the promise of a fresh start...a second chance. Connor might be the wrong man for the colony, but he's the right man to see that it survives what's coming.

Nora Devi is a xeno-archaeologist with a complicated past. She has buried more secrets than she’s dug up. Widowed in the recently ended twelve year war between Capitoline and Palantine, she now makes a living as an independent tagger in border space. Captain Liam Kimani could be credited with ending the latest royal war. Instead, he’s blamed for it. Dirty commoners aren’t meant to lay their hands on royalty. He has no regrets.

In 2018, Canadian archaeologist Ron Jackson makes a mind-boggling discovery in Antarctica - right before disappearing without a trace, leaving behind only his controversial theory that humans have lived on Earth far, far longer than we think they have. Decades later, in 2042, when Jackson's wife dies under mysterious circumstances, an unlikely pair of investigators, Agatha Devenworth and Pano Hofer, begin investigating whether her death might be connected to Jackson's disappearance. 

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.

In a single act of courage, the young American grunt saves an interstellar soldier from certain death at the hands of a vicious killer. Afterward, she promises to show him the stars. Mark will begin his new life far away from Earth—a life not so different from that of a humble soldier. Out among the asteroids, he learns of swords and honor, starships and empires. He learns what it means to be a Peacemaker. Along the way, he's joined by Perry, his combat AI companion who helps Mark learn how to survive—and earn a living—among the stars.

Lauren didn’t ask to be a hero. But one night during the graveyard shift at Jodrell Bank, she captured an astonishing fast radio burst from an alien race. And just like that, the fate of the world was thrust into her hands. Now she’s put everything on the line to blow open the conspiracy of silence surrounding UFOs. She's on the run from MI5 and a secret organization determined to stop her. After a year of dead ends and a heart-breaking personal tragedy, she’s on the verge of being forced to abandon her personal crusade.

How can a colony on Mars survive when the greatest danger on the planet is humanity itself? All contact is lost with the first privately funded colony on Mars during a long and destructive sandstorm. Satellite imagery of the aftermath shows extensive damage to the facility. The 54 colonists who called it home are presumed dead.

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?

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?