Space Science

So far, Officer Candidate School is living up to its cutthroat reputation. Still, the merciless mental, physical, and psychological torture may be worth it for Lance Warder to have a chance to fight in space. The space that awaits isn't for the faint of heart. He'll have to shed his mental chains to prove his mettle. Because no one cares who your father is when you're faced with unknown threats in a dark, infinite void.

They call it The Green Hell. A maze of tangled jungle, the planet Makaum is one of the most dangerous places in the universe. And for Terran Military Master Sergeant Frank Sage, it is now home.The war between the Terrans and the Phrenorians rages, and both sides have their sights set on Makaum. If the planet's rich resources fall into enemy hands, it could mean devastation for the Terran army.

Described as the "ultimate engineer" during his career at NASA, George M. Low was a visionary architect and leader from the agency's inception in 1958 to his retirement in 1976. As chief of manned spaceflight at NASA, Low was instrumental in the Mercury, Gemini, and Apollo programs. Low's pioneering work paved the way for President Kennedy's decision to make a lunar landing NASA's primary goal in the 1960s.

Captain Nathan Scott must decide whether to stand and fight to the end, or live to fight another day - even if it means the end of his world.

Humanity is struggling to hold out against a hostile takeover by an alien race that claims to be on a religious mission to bring all sentient life to its God at the End of Time. But while billions of cocooned humans fill the holds of the Olyix's deadly arkships, humankind is playing an even longer game than the aliens may have anticipated. From an ultra-secret spy mission to one of the grandest battles ever seen, no strategy is off the table. Will a plan millennia in the making finally be enough to defeat this seemingly unstoppable enemy?

It's 2040. After decades of research, scientists of the European Union believe that they have at last conquered humankind's most pernicious foe: old age. For the first time, technology holds out the promise of not merely slowing the aging process but actually reversing it. The first subject for treatment is 78-year-old philanthropist Jeff Baker. After 18 months in a rejuvenation tank, Jeff emerges looking like a 20-year-old. And the change is more than skin deep. From his hair cells down to his DNA, Jeff is 20 - with a breadth of life experience.

Sergeant Richard Stavos was a Technomancer, capable of creating stronger than normal mental links with nanites. But that alone wasn't enough to keep him alive. Not when the Ka Empire wages wars across the galaxy. Death was supposed to be his release...an end to the constant fighting that plagued his life. But gifted beings like Richard are assets, and almost a decade after his death, the Ka overlords bring him back from the grave as a "reward" for his good service.

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.

Hella is a planet where everything is oversized. The trees are mile-high, the dinosaur herds are huge, and the weather is extreme - so extreme, the colonists have to migrate twice a year to escape the blistering heat of summer and the atmosphere-freezing cold of winter. Kyle is a neuro-atypical young man, emotionally challenged, but with an implant that gives him real-time access to the colony's computer network. When an overburdened starship arrives, he becomes the link between the established colonists and the refugees from a ravaged Earth.

A new ally providing aid... An old ally joining the fight... Their resources growing with each passing day... Their homeworld finally on the road to recovery... Things finally seem to be coming together for Captain Scott and the Alliance as he takes his forces on the offensive. However, the Jung may in turn give him more trouble than he bargained for.

Smugglers. Thieves. Pirates. The Sea Rover's crew embodies these defining qualities. Immerse yourself in a Science Fiction Adventure box set written by author C.P. MacDonald. Witness Captain Calin Aku's evolution from the most wanted outlaw on the Moon to an unexpected if reluctant hero. Job by job, paycheck by paycheck, he keeps flying. However, with a new client comes a cascade of adventure, forging unusual alliances and unraveling amazing mysteries. These revelations don't just alter the lives of Calin and his crew but also reshape humanity's future. Join Calin Aku and his crew as they ...

First contact has been made, and Earth's militaries and its premier mercenary companies stand ready to take their first tentative steps outside the solar system. With a galaxy of aliens to explore and fistfuls of credits to be made, follow along as the Four Horsemen select their contracts and venture forth to meet their destinies.

When Brad Mendoza and Jessica Lin discover a traitor among their closest friends, they’re devastated. But they’re also on a mission to rescue a duke’s little sister, so they don’t have time to deal with it right now. Until that mission proves to be anything but what they expected, and they find themselves caught between royalty, their sworn enemy, and a particularly annoying 17-year-old with visions of revolution. Now, the traitor in their midst might prove to be their only hope to get out this alive!

It has been over a year since the UnArcana Worlds of the Protectorate of the Mage-King of Mars seceded, shattering the unity of the human race. The new Republic of Faith and Reason has raised new banners in defiance of the power of the Protectorate's Mage aristocracy. Now, Hand Damien Montgomery commands a relief mission to a Republic world ravaged by famine. His humanitarian mission collides with a newborn military beginning to flex its muscles - and a newborn nation prepared to accept no violations of its sovereignty, regardless of their needs.

High above Earth orbits the starship Basilica. On board the huge vessel is a sleeping woman. Of those who made the journey, Shedemei alone has survived the hundreds of years since the Children of Wetchik returned to Earth.

After years training as a soldier and theologian, Nurisarma has been chosen for sacred trials to determine whether he is worthy to become the immortal being known as Hidria: a holy warrior who carries out the will of the Divine Infinite in the human reality. Now, with a mysterious entity named Colt acting as both his guide and adversary for the vision-quest, Nuri must fight his way through demons, alien armies, and his own crises of faith to find God at the center of the universe. If he succeeds, he will be endowed with greater powers than any creature in the galaxy. If he fails, his life ...

So you’ve fallen in love with space and now you want to see it for yourself, huh? You want to witness the birth of a star, or visit the black hole at the center of our galaxy? You want to know if there are aliens out there, or how to travel through a wormhole? You want the wonders of the universe revealed before your very eyes? Well stop, because all that will probably kill you.

Humanity thought they were the only intelligent life in the universe. They were wrong. An alien spacecraft has crashed on Earth. A group of scientists want to establish contact with the aliens. A hostile government wants to nuke the crash site. Special Forces Major Joe Hunt is caught in the middle. With time running out to establish a peaceful relationship with the aliens, Joe must battle his instincts and unexpected forces that threaten the very future of humanity. Regardless of what happens, Earth risks being dragged into a galactic civil war it's not ready for. Minus Epsilon is classic ...

The return of humanity's oldest enemy... An alien prophecy that predicts our species' downfall... And a captain who's the only thing standing in the way of his starship getting mothballed. Wait, what? Imagine Captain Keyes’ surprise when the fate of the galaxy turns out to depend on him, his decrepit ship, and his oddball crew.

Calista is happy with her life of scientific research. She doesn't need love, she has her books, her friends, and her work. Things are fine until her ship is attacked by space pirates and crash lands on a desert planet with heat so intense she and her friends can't survive without help. Ladon is a Zmaj warrior resigned to a life alone, who only desires to protect his treasures. His hopes for a mate faded long ago, yet when he meets Calista something stirs. It takes only one look to know that she belongs to him.