Showing titles in Hard Science Fiction

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

Center of Gravity is the second book in the explosive Star Carrier series by Ian Douglas—and a breathtaking new high in military sf, the strongest of the science fiction subgenres. Battlestar Galactica fans will adore this saga of ultimate war in deep space, as humankind risks its very future...

Five thousand years after Sun Tzu writes The Art of War, his advice is followed during the Fourth Interstellar War between the terrible Bugs and the humans, who are aided by their catlike Orion allies.

Earth builds her first war fleet! The greatest warships ever constructed in known space rise up one by one, soon dominating our skies. They strike fear into the hearts of every citizen and rebel colonist alike. Captain William Sparhawk, the very man who convinced the secretive Council to build this terrifying fleet, now has doubts about the project. What is their exact mission? How could anyone have built these huge ships so quickly? And, most puzzling of all, what's happening out at the isolated laboratory complex on Phobos, Mars' lopsided moon?

A mysterious object threatens to destroy our solar system. The survival of humankind is at risk, but nobody takes the warning of young astrophysicist Maribel Pedreira seriously. At the same time, an exiled crew of outcasts mines for rare minerals on a lone asteroid. When other scientists finally acknowledge Pedreira's alarming discovery, it becomes clear that these outcasts are the only ones who may be able to save our world, knowing that the Hole hurtles inexorably toward the sun.

Commodore Straker's rebellion grows in strength - but his enemies are growing even faster. Faced with a dozen rebel planets in their territory, the Mutuality finally takes notice of the upstart known as the Liberator, and they gather a vast fleet to crush him. Preparing for a titanic interstellar battle, it's clear Straker has no chance. His tiny enclave of free planets can't survive the weight of 1000 worlds. His own officers realize this, and some of them begin to turn against him....

Separated from her ship, Major Trace Thakur is stranded on the reeh-occupied world of Rando. The native corbi have suffered beneath reeh tyranny for 800 years, and many have given up hope. But Trace needs the data stored in the reeh’s genetic technology and command center - the Rando Splicer - if she’s to learn how to save humanity from impending disaster, and is planning an assault against overwhelming odds. She’ll need help from the UFS Phoenix, though, which is caught in a ritual medieval battle to change the croma leadership.

Belisarius is a quantum man, an engineered Homo quantus who fled the powerful insight of dangerously addictive quantum senses. He found a precarious balance as a con man, but when a client offers him untold wealth to move a squadron of warships across an enemy wormhole, he must embrace his birthright to even try. In fact, the job is so big that he'll need a crew built from all the new sub-branches of humanity. If he succeeds, he might trigger an interstellar war, but success might also point the way to the next step of Homo quantus evolution.

Get the Earth's Last Gambit bundle, featuring all four books in this first-contact series blending hard sci-fi and edge-of-your-seat action.

Lost Town is being rebuilt in the wake of tragedy. With no connection to Earth for three months, Caesar has the chance to regroup and determine the threat level from Lithos. John can't shake the sensation that the worst is yet to come, and it's confirmed when Anders and Haley leave to investigate a potential second alien tower on Arcadia. While Harrison takes a step back, Amelia must keep the peace between the rogue agents who are putting their mission in danger. Meanwhile, on Earth, Summer is contacted by a mysterious stranger who predicts a looming invasion.

There is a milestone in the evolution of every sentient race, a Tech Singularity Event, when the species achieves transcendence through its technological advances. Now the creatures known as humans are near this momentous turning point. But an armed threat is approaching from deepest space, determined to prevent humankind from crossing over that boundary - by total annihilation if necessary.

The explosive conclusion to Nexus and Crux. Global unrest spreads through the US, China, and beyond. Secrets and lies set off shockwaves of anger, rippling from mind to mind. Riot police battle neutrally linked protestors. Armies are mobilized. Political orders fall. Nexus-driven revolution is in here. Against this backdrop a new breed of posthuman children are growing into their powers.

Six months have passed since the release of Nexus 5. The world is a different, more dangerous place. In the USA, the freedom fighters of the Post-Human Liberation Front use Nexus to turn men and women into human time bombs aimed at the President and his allies. The first blows in the war between human and post-human have been struck.

Charlie7 is the progenitor of a mechanical race he built from the ashes of a dead world—Earth. He is a robot of leisure and idle political meddling—a retirement well-earned. Or he was, until a human girl named Eve was dropped in his lap. Geneticists have restored Earth’s biome and begun repopulation. But primate cloning is in its infancy; human cloning is banned. Far from a failed genetics experiment, Eve is brilliant, curious, and heartbreakingly naïve about her species’ history. But Eve’s creator wants her back and has a gruesome fate planned for her.

The Darshik war machine is flagging, but the war is far from over. Even as an exhausted Federation military tenses up for a counterattack after repelling the last Darshik invasion, reports are coming in of a new, more powerful class of ship that's striking deep into Terran space. Captain Jackson Wolfe has been given the fleet's newest, most advanced destroyer and tasked with eliminating this new threat before it can claim any more human lives. What he finds, however, is immeasurably more dangerous than just some new class of starship....

Nova is a lonely planet. It has been on its way to the Andromeda galaxy for ages. And yet, it is inhabited by people who have never known anything other than the caves beneath the surface that protect them from the vacuum and cosmic radiation. A surprising encounter changes everything. The planet gets visitors who seem to have their own agenda, and are so alien that communication seems futile. But they, too, have unexpected existential problems.

Six months have passed since Kyle Wimberly and his team helped turn the Dominion back in Harza space. Many of Earth's nations have entered into collaboration agreements with the Iknosan and Harza. While working on an intelligence-gathering mission with alien allies, Kyle and his life partner, Alexandra Reyes, make a discovery that has the potential to change the course of the war. As word of Kyle's activities spread and his popularity soars, the administration retaliates. The politically motivated investigations that follow force him to choose.

Corta Hélio, one of the five family corporations that rule the moon, has fallen. Its riches are divided up among its many enemies, its survivors scattered. Eighteen months have passed. The remaining Hélio children, Lucasinho and Luna, are under the protection of the powerful Asamoahs, while Robson, still reeling from witnessing his parents' violent deaths, is now a ward - virtually a hostage - of Mackenzie Metals. And the last appointed heir, Lucas, has vanished from the surface of the moon.

Half-Navajo geologist Jamie Waterman has been selected for the ground team of the first manned expedition to our mysterious neighbor planet. Joining an international team of astronauts and scientists, he endures the rigors of training, the dangers of traveling an incredible distance in space, the challenges of an alien landscape, and the personal and political conflicts that arise when the team must face the most shocking discovery of all.

How did our long-lost ancestors affect our past? More importantly, how will they affect our future? Mark and Julie are brilliant scientists and Major Reagan has kept them and others alive to this point, but the most dangerous confrontations will not be with the Noridians, it will be with the Lower Houses of The Accord. Destiny is a thought-provoking journey that will cause you to inspect your basic values.