Showing results by publisher "----RM Alexander" in Hard Science Fiction

Deep in Antarctica, two researchers find an enigmatic black sphere suspended in the heart of a huge crater. Neither man is ever seen again. Decades later, reality fractures. A Manhattan skyscraper vanishes into thin air. An airplane crashes in the Sahara Desert—its existence defying logic. Across the globe, breathtaking technology and mysterious artifacts appear, all leading to one chilling truth: a parallel Earth is breaching the boundary between realities.

The Ringworld is a landmark engineering achievement, a flat band 3-million-times the surface area of Earth, encircling a distant star. Home to trillions of inhabitants, not all of which are human, and host to amazing technological wonders, the Ringworld is unique in all of the universe.

Trapped on an alternate Earth, the combined crews of a crashed Russian spaceship, a British expeditionary force and a group of strays from the future must work together to survive, escape and discover what led them to this point. All are from parallel universes where small changes in history led to different realities, and the tensions between the groups are rising.

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.

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.

The long-awaited new novel by the award-winning, best-selling author of Startide Rising and The Uplift War- an epic novel set 50 years from tomorrow, a carefully-reasoned, scientifically faithful tale of the fate of our world.

A stunning debut in the blockbuster tradition of Jurassic Park -- enhanced with dramatic sound effects. A pair of fierce but beautiful eyes look out from the undergrowth of conifers. The eyes follow every movement in the great herd of plant-eating dinosaurs that mills around the open meadows...

A dirty deal was struck. Humanity was allowed to keep 300 rebellious worlds. In return, we declared war on a powerful enemy from beyond the frontier. A frantic build-up of forces has begun, but the task is hopeless. Seeking allies, Earth's legions are sent to Blood World. A planet on the fringe of known space, where the people only respect masters of combat. Earth's Legions must impress them, but other alien powers have been invited to join the contest. The prize consists of billions of loyal troops—Earth must win.

First in a brand-new Foreigner trilogy by Hugo Award-winning author C. J. Cherryh. Tracker is the 16th installment of C. J. Cherryh's acclaimed Foreigner series.

Three years after humanity's Final Stand against the Korilian Empire, the Colonial Defense Forces have largely reclaimed the lost colonies. However, as the tide of war shifts against the Colonies again, Admiral Jon McCarthy and Lara Anderson discover a message from a long-dead prescient Nexus Ten amid the ruins of Darian 3. This startling discovery creates the potential to alter the course of the war with the Korilians, tilting the outcome toward humanity's favor.

The strategists of Leviathan are cunning and devious. They also fear Captain Maddox because of his unusual luck, his ability to turn sure odds into a disaster for them. Before Leviathan begins its invasion of the Commonwealth, they want Maddox neutralized. Thus, using elaborate deception, the strategists convince Star Watch that ancient doomsday weapons lie in the Aquila Rift. It’s a region of space 700 light years from Earth. Thick molecular clouds and dense gases hide its stars and planets.

Nothing brings change like war. A surge of new tech. New weapons. New tactics. To lead a crew to victory, a captain must understand change. He must understand command and that it is a test. A test most men fail. He must be brilliant. Resourceful. Every second. Of every day. And at night during scarce moments of rest, he must sleep the sleep of the righteous. The time has come for Commander Tad Thatcher to look in the mirror. The time has come to ask himself...am I that kind of man?

A ship stranded halfway across the galaxy. A difficult and lengthy journey home. A homeworld in urgent need of their return. And now they are running out of food. The crew of the Aurora must now trust their new allies in order to survive. But their situation may be far more serious than they imagined. And their actions could have repercussions across the galaxy. Their journey home may just have gotten slightly more complicated.

A year ago the Kher Empire was forced to retreat, but they were not beaten. In Orion Fleet, they return with a new weapon. A huge ship driven by AI begins methodically grinding inhabited worlds to dust. This unstoppable enemy is without fear or remorse, and the Rebels begin a desperate battle just to slow its advance. Leo Blake takes Earth's first warship into space to find a counter to this deadly new attack. The Imperial Fleets take notice of Earth's interference, and they're intent upon revenge. Even if he wins, Blake might have doomed our homeworld.

Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen) relations and the events leading up to Niven's first Ringworld novel. Kirsten Quinn-Kovacks is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten's people came from.

The UFS Phoenix is on a mission to find a lost data-core that may contain the secret to defeating the alo-deepynine alliance. But the means to find the data-core is hidden deep in tavalai space, in a highest-security vault where the tavalai's manipulative State Department keep all their most treacherous secrets. To recover it, Phoenix must pull off the most daring heist the Spiral has ever seen.

Commodore Straker faces new enemies as neighboring interstellar empires decide his New Republic is a growing threat. A two-front war develops, and the Liberator must face both the Mutuality and the Hundred Worlds. Even as the fighting rages, the mysterious Opters are on the move. They make a diplomatic effort to reach out to Straker - but can he trust the Hive Masters? Will they help or stab him in the back?

Gideon, a young and gifted electromagnetics engineer, finds himself stationed at Green Bank Observatory, with the United States' most powerful radio telescope at his fingertips. Utilizing groundbreaking techniques, he stumbles upon an unexplainable radio signal emerging from just outside our solar system. Soon, he is thrust into a world of science and politics as humanity steps into the unknown. Trust morphs into fear as the dark shroud of the discovery is lifted, revealing the true intentions that will forever alter the course of the human race.

After thousands of years searching, humans stand on the verge of first contact with an alien race. There are two human groups: the Qeng Ho, a culture of free traders, and the Emergents, a ruthless society based on the technological enslavement of minds. The group that opens trade with the aliens will reap unimaginable riches.

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 post-human children are growing into their powers.