A wave of death is spreading through the Milky Way galaxy, an expanding sphere of lethal gamma radiation that erupted from the galaxy's core 28,000 years ago. Every world it touched was wiped clean of all life. But it's possible to protect a planet from gamma radiation. Now, guided by the ancient intelligent machines called the Predecessors, men and women from Earth seek out those precious, rare worlds that harbor intelligent species, determined to save them. 

On a privately financed orbital habitat above the planet Uranus, political idealism conflicts with pragmatic - and illegal - methods of financing. Add a scientist who has funding to launch a probe deep into Uranus‘ ocean depths to search for signs of life, and you have a three-way struggle for control. Humans can’t live on the gas giants, making instead a life in orbit. Kyle Umber, a religious idealist, has built Haven, a sanctuary above the distant planet Uranus.

Stoner knew. The fiery object hurtling toward the Earth was an alien spacecraft. But the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had shattered the world power balance, setting off a brutal struggle for supremacy that raged from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. The forces of fear and treachery would use any weapon at their command, from mind war to sabotage, to keep the world in darkness.

A hero without peer or scruples, Sam Gunn has a nose for trouble, money, and women, though not necessarily in that order. A man with the ego (and stature) of a Napoleon, the business acumen of a P. T. Barnum, and the raging hormones of a teenage boy, Sam is the finest astronaut NASA ever trained and dumped. But more than money, more than women, Sam Gunn loves justice—and he really does love money and women.

In a startling future that's coming closer every year, Chet Kinsman is an astronaut ace who has done everything one can in space - including commit the first murder. It's a secret he can never escape, not even on the moon, where he's head of the first U.S. lunar colony. A series of shocking yet strangely inevitable circumstances will force Kinsman to confront his hidden past and decide Earth's destiny. In a desperate countdown to nuclear annihilation, Kinsman will struggle against a deadly dilemma: if he rescues the world, he risks destroying himself.

The sequel to the number one Audible Best Seller Earthcore, Mount Fitz Roy continues the tale of Patrick O’Doyle and Bertha Lybrand, who were part of the horror show that occurred far below the mountains of Utah. They learn that the "mother of all motherlodes” discovered there was not unique, that there is another deposit similar to it three miles beneath the towering peak of Cerro Chaltén on the disputed border between Chile and Argentina. O'Doyle, a middle-aged former member of a disgraced black-ops unit, gets his aging team back together to go after this fortune.

Dennis E. Taylor, author of the best-selling Bobiverse trilogy, explores a whole different, darker world in this sci-fi stand-alone. Determined to give his wife and children a better life back home, Ivan Pritchard ventures to the edge of known space to join the crew of the Mad Astra as an asteroid miner. He's prepared for hard work and loneliness—but not the unthinkable. After coming into contact with a mysterious alien substance, Pritchard finds an unwelcome entity sharing his mind, and a disturbing physical transformation taking place.  

Between 2017 and 2021, the US military admitted to having undeniable evidence that UFOs (now UAVs or UAPs) are here and defy the laws of physics. When Jason Ramsey, a popular science-fiction writer, becomes obsessed with the subject, he undertakes a relentless quest to uncover what is really going on. After recruiting Tessa Barrett, an extraordinarily talented mercenary, Jason devises a risky, desperate plan to get to the bottom of it all. But the truth is far more shocking, convoluted, and dangerous than anyone could have guessed, and he has no idea who he can trust. 

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.

One thousand years later. Humanity has left Earth behind and is rapidly expanding throughout the galaxy under the banner of The Union, a white supremacist government who racially ‘purified’ the human race hundreds of years in the past. Living on the fringe of this twisted Fourth Reich society, Dark Horse - the only Black man in the Union - commandeers a vessel and scours the galaxy for his missing teammates under the guise of an Exo-Hunter, seeking out exo-planets to satiate the Union’s need for colonization.

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. 

Joshua Jordan’s new weapons defense system will secure America against an array of new enemies, including a nuclear strike on New York City by North Korea. But global forces are mounting and corrupt government leaders will go to any extreme to prevent an impending economic catastrophe. As world events begin setting the stage for the “end of days” foretold in Revelation, Jordan must weigh the personal price he must pay to save the nation he loves.

Why we think it’s a great listen: It’s easy to say that when it comes to sci-fi you either love it or you hate it. But with Ender’s Game, it seems to be you either love it or you love it.... The war with the Buggers has been raging for a hundred years, and the quest for the perfect general has been underway for almost as long. Enter Andrew "Ender" Wiggin, the result of decades of genetic experimentation.

From a New York Times best-selling and Hugo award-winning author comes a modern masterwork of science fiction, introducing a captain, his crew, and a detective as they unravel a horrifying solar system wide conspiracy that begins with a single missing girl. Humanity has colonized the solar system - Mars, the Moon, the Asteroid Belt and beyond - but the stars are still out of our reach. Jim Holden is XO of an ice miner making runs from the rings of Saturn to the mining stations of the Belt. 

Set against the backdrop of China’s Cultural Revolution, a secret military project sends signals into space to establish contact with aliens. An alien civilization on the brink of destruction captures the signal and plans to invade Earth. Meanwhile, on Earth, different camps start forming, planning to either welcome the superior beings and help them take over a world seen as corrupt, or to fight against the invasion.