Space Science

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

When petty criminal Cal Carver is locked in a cell with a deranged, semi-naked cannibal, he suspects his life has hit its lowest point. He is mistaken. Abducted by aliens and whisked across the galaxy, Cal is thrown into a team of misfits and criminals and sent on a top secret mission for the president of Space. And that's when everything starts to go very, very wrong....

Summoned to the home planet of her family's business empire, space-fleet commander Kylara Vatta is told to expect a hero's welcome. But instead, she is thrown into danger unlike any other she has faced and finds herself isolated, unable to communicate with the outside world, commanding a motley group of unfamiliar troops, and struggling day by day to survive in a deadly environment with sabotaged gear. Only her undeniable talent for command can give her ragtag band a fighting chance.

This fascinating new volume tells the story of contact between aliens and humans from all across the globe, dating back to 1932, including meetings with military personnel and American presidents such as Eisenhower and Kennedy. For the first time, a former member of MI6 reveals her conversation with Neil Armstrong at a NASA conference, when she confirmed that there were "other" spacecraft on the moon when Apollo 11 landed in 1969. Armstrong also confirmed that the CIA was behind the cover-up.

A gripping collection of stories about machines called Berserkers that are programmed to destroy all organic life.

Brady Garrett needs to go home. He's a conscripted recruit on Defender Three, one of a network of stations designed to protect the Earth from alien attack. He's also angry, homesick, and afraid. If he doesn't get home he'll lose his family, but there's no way back except in a body bag. Cameron Rushton needs a heartbeat. Four years ago Cam was taken by the Faceless - the alien race that almost destroyed Earth.

The A!Tol Imperium and their new human subjects have had 15 years of relative peace. New colonies have been founded, new worlds explored, new ships built. Formal and informal alliances have been built with the ancient powers of the Core, leaving humanity and the Imperium seemingly on the brink of a new dawn. The devastation of one of the newly-founded human colonies sends ripples of shock through the Imperium, and a battle fleet under Fleet Lord Harriet Tanaka is dispatched to the edge of the Imperium to find the culprits and bring them to justice.

Shifted by quantum entanglement from Earth to an alien planet, military contractor Zander Greaves and his squad would have to adapt—and quickly—if they wanted to live. As they tried to understand what was happening, the stark truth of their new reality thrust itself on the shaken humans. Giant machines of war were attacking an equally humongous bug. And, quite unfortunately, the giant bug had a lot of little friends.

The Blood Angels Chapter of Space Marines is under threat. Having obliterated all human life in the Red Scar region of space, the largest tendril of Hivefleet Leviathan ever seen in the Imperium has converged and is making relentlessly for Baal. To face this awesome foe, Commander Dante has called upon the Successor Chapters of the ancient Ninth Legion. The Sons of Sanguinius gather in numbers not seen since the dark days of the Horus Heresy.

Hugh had been taught that, according to the ancient sacred writings, the Ship was on a voyage to faraway Centaurus. But he also understood this was just allegory for a voyage to spiritual perfection. Indeed, how could the Ship move, since its miles and miles of metal corridors were all there was of creation? Science knew that the Ship was all the universe, and as long as the sacred Converter was fed, the lights would continue to glow, the air would flow, and the Creator's Plan would be fulfilled.

Contains books one and two of the Shattered Alliance series.

The Merry Band of Pirates offered the bad guys a ceasefire. We won’t mess with them, if they don’t mess with us. Easy, right? No. The aliens chose to do things the hard way. So, the Pirates are racing around the galaxy to clean up the threat to Earth. The infant UN Navy has their own mission with the Alien Legion: Get humanity some allies in the fight. And the Ethics & Compliance Office might have to do something...ethical. Unless they can find a way around it.

The xenos came to devour. Three worlds they invaded before the Solaran Fleet ground them to a halt. The aftermath spared no one in the Empire. Refugees flooded the core, trade routes crumbled, and economies collapsed. Homeworlds were lost, lives shattered.

New ER doctor Alexi Sur always intended to join an aid agency. She'd just expected to work among humans. When the Pax Galactica Corps becomes her only option (don't ask—the debts aren't hers, but the family is, much to her regret), Alexi finds herself traveling the galaxy and learning alien physiology and culture, all while becoming a reality TV star. Being pursued by camera drones and starring in her very own Welcome-to-the-Universe documentary was never on Alexi's to-do list.

Cosmos is one of the bestselling science books of all time. In clear-eyed prose, Sagan reveals a jewel-like blue world inhabited by a life form that is just beginning to discover its own identity and to venture into the vast ocean of space.

In the near future space debris around Earth has made it impossible to traverse our solar system. Or it would be, if not for prisoners sentenced to clearing that debris known as Orbital Garbage Removal Experts, or O.G.R.E. for short. Former linguistics professor Dax has made it a habit of working aboard The Junkyard with a small crew, the conspiracy theorist, tech-savvy hacker Mark and the once decorated military hero turned war criminal, Kane.

Neal Asher takes on first contact, Polity style. This original novel recounts the first contact between the aggressive Prador aliens, and the Polity Collective as it is forced to retool its society to a war footing. The overwhelming brute force of the Prador dreadnaughts causes several worlds and space stations to be overrun. Prador Moon follows the initial Polity defeats, to the first draws, and culminates in what might be the first Polity victory, told from the point of view of two unlikely heroes.

When the Quint Confederacy and the Kos Empire went to war - again - Queen Samara wisely kept her Rogue Coalition out of the conflict. But staying neutral in a galactic war doesn't pay the bills, not when both sides refuse to trade with neutral sectors. With her people on the brink of starvation, Samara hatches a daring plan to snatch the kidnapped Kos Emperor from the Quint mercenaries holding him.

When asubatomic physics experiment causes a massive explosion, interdimensional gateways open in Florida - and aliens pour out. Some intend to bring Earth to its knees. Others seem willing to help, but will annihilate the planet if Navy SEAL Command Master Chief Robert Miller can't stop the menace from spreading.

At a time when Humans were just starting to venture forth into the Galactic Union as mercenaries, Martin Quincy survived long enough to do something no one else had - he retired. There was only one problem: He got bored. After battling aliens for many years - killing aliens and getting paid - retirement didn’t suit him, and he decided to strap on the combat armor and go back to the stars. Along with his old friend Kal, Martin joined Cartwright’s Cavaliers, humanity’s best merc company. Life was exciting! But he got bored. Again.