Space Science

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.

Phssthpok the Pak had been traveling for most of his thirty-two thousand years. His mission was to save, develop, and protect the group of Pak breeders sent out into space some two and a half million years before.

Brennan was a Belter, the product of a fiercely independent, somewhat anarchic society living in, on, and around an outer asteroid belt. The Belters were rebels, one and all, and Brennan was a smuggler. The Belt worlds had been tracking the Pak ship for days, and Brennan figured to meet that ship first.

Kathryn Janeway reveals her career in Starfleet, from her first command to her epic journey through the Delta Quadrant leading to her rise to the top as vice-admiral in Starfleet Command. Discover the story of the woman who travelled further than any human ever had before, stranded decades from home, encountering new worlds and species.

Earth has fallen under the influence of the Fermion Party, whose members believe humanity’s future lies in the metaverse, a simulated environment to which people can upload their consciousness to become immortal. As a simulant, one cannot get sick, grow old, or die. Human beings have no business risking their lives in the betaverse, where injury and illness can kill them. And those who wish to explore beyond the solar system blaspheme what the Fermions believe is the natural order.

The best-selling, epic space adventure, Freedom's Fire: the complete series of six audiobooks, in one bundle.

Tanis is looking forward to a long journey in stasis before arriving at the newly terraformed world of New Eden. New Life. New Start. Getting a berth on the Intrepid is her ticket out of the Sol System. But nothing proves easy for Major Tanis Richards. Nothing is at it seems. What should be a simple trip is fraught with danger and filled with adventure. An array of forces seek to stop the Intrepid - no matter the cost, or lives lost. From competing corporations, to stellar eco-terrorists, no one wants the Intrepid to arrive at New Eden.

On a cold January morning in 1986, NASA launched the Space Shuttle Challenger, despite warnings against doing so by many individuals including Allan McDonald. The fiery destruction of Challenger on live television moments after launch remains an indelible image in the nation's collective memory. In Truth, Lies, and O-Rings, McDonald, a skilled engineer and executive, relives the tragedy from where he stood at Launch Control Center.

Daniel Clay fought across the galaxy as a corporate soldier. He left the violence behind for a life of science, raising a family far from the bloodshed of the Corporation. With his wife, Sarah, and son, Michael, he studied the alien Tyr for years, hidden among their complex societies. Their mission should have ended with the arrival of a replacement team. Instead, the Clays’ corporate overlords choose a death sentence: an invasion fleet to conquer the Tyr.

The starship Earthling, filled with thousands of hibernating colonists en route to a new world at Tau Ceti, is stranded beyond the solar system when the ship's three organic mental cores—disembodied human brains that control the vessel's functions—go insane. The emergency skeleton crew sees only one chance for survival: build an artificial consciousness in the Earthling's primary computer that can guide them to their destination—and hope it doesn't destroy the human race.

The comparative utopia of 23rd-century Earth is about to go dreadfully awry when a seemingly benign alien race is abruptly revealed to be one of the worst threats humanity has ever faced. Driven by an intense religious extremism, the Olyix are determined to bring everyone to their version of god as they see it. But they may have met their match in humanity, who are not about to go gently into that good night or spend the rest of their days cowering in hiding.

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?

The newly liberated humans of the Fleet of Worlds and Sigmund Ausfaller, who had been transported by the Puppeteers from Earth to the Fleet, must contend not only with the sly Puppeteers but also the threat of the Pak, a very smart and utterly ruthless species who are fleeing the exploding galactic core in an armada of ships at near light speed. The Pak are headed towards the Fleet of Worlds, having destroyed entire planets in their wake.

Includes books one through four in the AL:ICE series: AL:ICE, AL:ICE-9, AL:ICE: Resurrection, and AL:ICE: Space War.

In the not-too-distant future, a 21-member crew launches from Earth. Their mission: to establish a temporary colony on Mars. Little do they know that colony will become permanent–and the last stand of the human race. Because, without warning, every single person left on Earth simply...vanishes. Now, a thousand years later, the resources needed to sustain life are running out, and the very existence of the Mars colony is threatened. Humankind has only one option–to return to its home planet.

Nothing quite prepared telepath Larry Greenberg for mind-to-mind contact with an alien. In the interest of science, Larry tapped the mind of Kzanol - and that was his first mistake. Kzanol was a thrint from a distant galaxy. He had been trapped on Earth in a time-stasis field for two billion years. Now he was on the loose, and Larry knew everything he was thinking. Thrints lived to plunder and enslave lesser planets - and what the planet Kzanol had in mind was Earth!

Rose McKenzie may be far from Earth with no way back, but she's made a powerful ally - a fellow prisoner with whom she's formed a strong bond. Sazo's an artificial intelligence. He's saved her from captivity and torture, but he's also put her in the middle of a conflict, leaving Rose with her loyalties divided. Captain Dav Jallan doesn't know why he and his crew have stumbled across an almost legendary Class 5 battleship, but he's not going to complain. The only problem is, all its crew are dead - all except for one strange, new alien being.

Albert Einstein described Relativity as a "popular explosion" of his famous theory. Written in 1916, it introduced the lay audience to the remarkable perspective which had overturned theoretical physics. Einstein's genius was to express this perspective in understandable terms.

This new and long-awaited sequel to Carl Sagan's international best seller continues the electrifying journey through space and time, linking worlds within and worlds billions of miles away and envisioning a future of science tempered with wisdom. Based on National Geographic's internationally-renowned television series, this groundbreaking and visually stunning book explores how science and civilization grew up together.

Shopping in the Empire's biggest shipbuilding star system, Hiro's offered a bargain on an intriguingly uncanny vessel! Then he crosses paths with Kugi--a devout fox shrine maiden hailing from a mysterious sect. She can speak to him telepathically and volunteers to teach him to use his powers. Hiro signs on, but he's about to be put through his psionic paces!

On a remote, gas-wreathed outpost of a human colony on Jupiter, a man goes missing. The enigmatic Investigator Mossa follows his trail to Valdegeld, home to the colony’s erudite university―and Mossa’s former girlfriend, a scholar of Earth’s pre-collapse ecosystems. Pleiti has dedicated her research and her career to aiding the larger effort towards a possible return to Earth. When Mossa unexpectedly arrives and requests Pleiti’s assistance in her latest investigation, the two of them embark on a twisting path in which the future of life on Earth is at stake.