Robots are building a colossal telescope on the far side of the moon, with just two people supervising its completion. After a minor incident, these scientists become aware of an obstacle in the lunar soil. It's located outside the area reserved for the hypertelescope and is therefore none of their business. But their curiosity gets the better of them. The artifact seems to have properties that completely defy physics as they know it.

Carpenter Lowell is a disgraced Marine assigned to a remote US research station on Saturn's moon Enceladus, where scientists have made an extraordinary discovery in the ocean below. A special forces team, led by Lowell’s murderous former commanding officer, shows up to investigate. Almost immediately, everything begins to unravel. Something beneath the surface has been activated.

On a cold spring night in 1952, a huge meteorite fell to earth and obliterated much of the East Coast of the US, including Washington, DC. The ensuing climate cataclysm will soon render the Earth inhospitable for humanity, as the last such meteorite did for the dinosaurs. This looming threat calls for a radically accelerated effort to colonize space and requires a much-larger share of humanity to take part in the process. Elma York’s drive to become the first lady astronaut is so strong that even the most dearly held conventions of society may not stand a chance against her.

After years of hard work, Tyler built his IT Security company into a massive success. He trusted his people and now it was time to enjoy the fruits of that labor. Everything was perfect until an unexpected discovery. Should they go through the Maya portal? Adriana's small diving instruction shop is popular enough with the tourists for her to scrape out a living, but it's not the life she expected. When she got the call, it seemed impossible. Wasn't Xibalbá a myth? In a fantastic world of danger and possibility, two people want to discover the truth, but for entirely different reasons.

Caesar, an undercover operative, enters Carmichael with the briefest of orders from his boss and a countdown on his phone. What will happen when the clock strikes zero? Deputy Amelia Miller is dispatched from a nearby city, and a series of events keeps her around much longer than she'd expected. In the middle of the night, something shifts, and the whole town disappears off the face of the Earth. Who caused the shift, and what lies beyond the veil of their settlement?

After damaging climate change, humanity is divided, torn into the technophobic nature-worshippers on Earth and the banished children of science on the new worlds. Jaruss awakens, drifting 300 light-years from Earth, trapped, memoryless, and alone. Who is he, where does he come from, and what are these recurring nightmares that trouble his sleep? To find out, he must outwit an efficiency-obsessed AI and join the dangerous crew of the stealth ship, Pangolin.

It’s Sunset Station! Where astronaut Kris Standard and her crack team of fellow astronauts work tirelessly to bring us the future of space travel for a fraction of the cost! On Sunset Station! cost-effectiveness is baked into in the design specs! Really! “Ask not how to do it, ask how to do it for less” is our motto! When it comes to Sunset Station! keeping six people alive in space on a budget is no problem! Just as long as everything continues to work exactly right! Because if something goes wrong…? Dear God, nothing better go Sunset Station! Nothing ever goes wrong! Ever!

As Sir Roger Baron de Tourneville is gathering an army to join King Edward III in the war against France, a most astonishing event occurs: a huge silver ship descends through the sky and lands in a pasture beside the little village of Ansby in North East Lincolnshire. The Wersgorix, whose scouting ship it is, are quite expert at taking conquering planets, and having determined from orbit that this one is suitable, they initiate standard procedure. Their ship carries guided missiles and nuclear weaponry—but they have long since lost the art of hand-to-hand fighting.

A Russian ICBM site is attacked just north of the Ukraine boarder. The nuclear warheads are missing! A Special Operations and Intelligence Community Task Force is rapidly put together to respond, but where it should deploy is unclear. A fire ravages a cosmonaut training facility in which five spacesuits disappear. And the Task Force finds a cache of detailed schematics of highly complex rocketry systems. The Task Force reaches out to Dr. Amy Sue Harrington of the Missiles and Space Intelligence Center in Huntsville, Alabama.

At long last, humanity has moved beyond Earth and begun seeding new worlds. Colonies extend across the solar system, from Luna to Mars to Saturn's satellite Titan. Even Jupiter's moon Europa has become home to a couple thousand brave souls willing to risk their lives adapting to its frozen and deadly landscape.

When Rab was a baby, his mother made a decision which would change his life. She feared he would be sent to work in the hellish mines of Mercury, to eke out his life until he was worn out, all in the name of maintaining the defense of the Solar System. But when her desperate attempt to flee with her 2 year old failed, she took a desperate step to save him. She cut off his hand. Decades later, Rab has been spared the physical hardships he can no longer endure, and is now based on the Mask, the all-encompassing structure which hides the Solar System from alien eyes.

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

Dr. Neil Anson Clemons was born at the very moment that men first landed on the moon and always strived to become an astronaut and reach the stars. Neil devoted his life to staying physically fit as any astronaut should be through martial arts and mentally fit by studying and becoming one of the world's foremost experts in quantum physics and gravitational theory. Now he and his team have achieved a breakthrough, both in building a warp drive, and finding a new energy source powerful enough to make the drive more than an interesting theoretical concept.

Matheus Ceirran, commander of half the known world, is dead. For the past year, his loyal captain Anita has hunted down his assassins—that is, when she can pull herself from the bed of Altagracia Caviro Patramata, queen and oracle of the client planet of Szayet. But when Anita’s quest for revenge takes her across the borders of an enigmatic neighboring empire, she uncovers a dangerous secret that could upend the fragile balance of the galaxy. Meanwhile, Ceirran’s heir apparent Otávio Julhan grows more and more powerful in the capital that Anita has left behind.

The Union is gone. Interstellar travel is no longer safe. Enter ex-Union Navy Officer Cliff Rawlins. More than four years after being wrongfully stripped of his rank and decorations in a court-martial stacked against him, ex-Union Navy Officer Cliff Rawlins suddenly finds himself a free man. The galaxy to which he returns, however, is changing. The Union of Free Planets is on the verge of dissolving. Many of the shadowy political players working behind the scenes to end the Union are the same people who sent Cliff away. Yet, in the coming political upheaval, Cliff glimpses an opportunity.

Brock Rivers never wanted to be a repairman on Mars. Years ago, he failed to protect his family, and now he labors across a frontier planet to keep his children alive and escape CAUSE. But the spacefaring humanist regime is taking over Martian colonies, forcing all to join the secular state. Back in Brock’s homeworld, his people summon him to fulfill old hopes with a new dream. After decades of cultural isolation, they plan to restore missions for the 22nd century, voyaging beyond Earth to share the gospel in space. Brock must find a ship and recruit a team of misfit believers.

Propulsion scientist Dr. Todd Cunningham was an astronaut headed for outer space until budget cuts killed the mission—and his lifelong dream. Now, he's just an obscure expert in fusion-powered space travel, a professor buried in an ever-increasing pile of work. But when a daring mission is approved to travel to Europa, Jupiter's frozen moon, Cunningham is thrust back into the spotlight by the very man he blames for ending his NASA career, and he finds himself joining the ranks of NASA astronauts on a groundbreaking journey to challenge humanity's understanding of life in the universe.

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.

Vicki becomes fearful when she learns of a conspiracy involving advanced alien technology, genetic manipulation, and a plan to take control of the lives of everyone on Earth. And that’s just the humans. The aliens have their own agenda.

Special Forces operator Matt Whitaker survived the Oniki War—but only just. Now the war is over, and a tenuous peace has been struck. When weapons plans are stolen from an Oniki shipyard and all evidence points to human involvement, tensions flare, threatening that hard-won peace. Whitaker is the only person with the knowledge and experience to uncover the truth. Still recovering from his injuries, he is forced to face his demons, and charge back into the fray.