Space Science

On July 23, 1999, the Chandra X-Ray Observatory, the most powerful X-ray telescope ever built, was launched aboard the space shuttle Columbia. Since then, Chandra has given us a view of the universe that is largely hidden from telescopes sensitive only to visible light. In Chandra's Cosmos, Wallace H. Tucker uses a series of short, connected stories to describe the telescope's exploration of the hot, high-energy face of the universe.

Molly was no stranger to life's little detours. After the last upheaval, she left her family's law firm to become a maintenance technician on the space station Bradbury 12. When an accident knocks her off her feet, she's going to have to draw on all her resilience to get back up. First, though, she's going to have to figure out how to talk to the big, blue alien trying to help her.

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 ...

In 2118 the first daring mission to another star, Tau Ceti - 12 light-years away - is launched. Tom Hites and Harry Cosgrove command the starship Endeavour on an epic journey to solve the Fermi paradox. From the first nearly disastrous steps on a distant world, their quest takes them further than they ever imagined.

Centuries from now, the basic right to expand human intelligence beyond its natural limits has become a war-worthy cause for the Demarchists and Conjoiners. Only vast lighthugger starships bind these squabbling colonies together, manned by the panicky and paranoid Ultras. And the hyperpigs just try to keep their heads down. The rich get richer. And everyone tries not to think about the worrying number of extinct alien civilizations turning up on the outer reaches of settled space...because who's to say that humanity won't be next?

Fleeing Earth after an alien invasion, the human race stands on the threshold of evolution. Their new home is Luna, a moon colony blessed with creature comforts, prolonged lifespans, digital memories, and instant sex changes. But the people of Luna are bored, restless, suicidal - and so is the computer that monitors their existence.

For the King’s best assassin, failure is never an option. But when the head of her Order sends her on an impossible mission, Heather Kilgore begins to question everything she knows. And she’ll have to make a choice: Start a war or fail her mission.

A farmer needs friends in the city who have his back . . . Haley Stonecipher sells farm goods for Tom Savage during the day, and fights crime by night in League City. She strikes from the cover of darkness, leaving death and fear in her wake through the criminal underworld. Ashley Thallus is a reporter, and an agent for Gwen’s mother. Sent to Phaethon to keep an eye on things, he gets caught up creating Haley’s media persona, which quickly goes viral. Wink McKelway and Jinxie Malone find themselves under contract with the Ultima Mule Company, and a new robot pilot with some ideas of his...

This captivating anthology presents a selection of fourteen short stories by the legendary science fiction author Robert A. Heinlein, showcasing his unparalleled imagination and narrative prowess. Among the featured tales are "Space Jockey," which explores the life of a daring pilot navigating the perils of interstellar travel, and "The Long Watch," a poignant reflection on duty and sacrifice.

A farmer always needs to find a way to get his produce to market... Tom Savage’s farm is coming along nicely. Trees are producing sap. The garden’s doing well. The chickens are surviving. Even the horses are thriving. No star containment units have blown up recently. But the planet of Phaethon has problems galore. The major governmental systems have instituted an embargo, preventing all but humanitarian supplies from going there. And nothing has shown up yet. League City, the capital, is in chaos. Gangs roam the street. One woman, Haley Stonecipher, hopes to make a difference with ...

The Force is everything. A single life connected to all life. All things connected to all other things. This is what the Jedi believe, and this is why they fight. For life . . . and the light. For too long, the light has been threatened by Marchion Ro, a sinister despot who will stop at nothing in his quest for power. The conflict with Ro and his marauding Nihil forces has left scars across the galaxy and held the Republic hostage. Countless lives have been lost, beacons of hope have fallen, and the collective courage and resolve of the Republic have been tested like never before.

A strange body that refuses to obey you; a weird game you can't quit until your contract expires; a world teeming with powerful and very real enemies. The game in which your reputation and faction relationship are the only things that matter. These are the conditions of the agreement Ruslan signs without reading. The only thing he remembers is that he's been contracted to command a space fleet in a brand-new game he knows nothing about. Objective: to survive for six months.

Ruthless bankers are breathing down their necks, vengeful warlords are promising to pursue them across the galaxy, and now a mysterious new client wants Rade and his Argonauts to escort her to a frontier planet. Problem is, the new client won't reveal her cargo. It's probably something illegal. Well, Rade needs the money, so a man's gotta do what a man's gotta do. They arrive to find the frontier colony strangely deserted. When the shit hits the fan and the Argonauts face a possible alien infestation, it's time to pull out the big guns.

In 2088, humankind is at last ready to explore beyond Earth's solar system. But one uncertainty remains: Where do we go? Astrophysicist Reggie Straifer has an idea. He's discovered an anomalous star that appears to defy the laws of physics and proposes the creation of a deep-space mission to find out whether the star is a weird natural phenomenon or something manufactured.

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.

In the 18th century, the British minister and mathematician Thomas Bayes devised a theorem that allowed him to assign probabilities to events that had never happened before. It languished in obscurity for centuries until computers came along and made it easy to crunch the numbers. Now, as the foundation of big data, Bayes's formula has become a linchpin of the digital economy. But here's where things get interesting: Bayes's theorem can also be used to lay odds on the existence of extraterrestrial intelligence, and on the biggest question of all: how long will humanity survive?

Aiyana and Kendra Cassidy never anticipated becoming the key to humanity's survival. As leaders of the Heavy Lift Corporation, their objective is clear: secure humanity’s future among the stars. Politics? Who needs it, when the galaxy is calling? The consequences of failure are stark: three-quarters of Earth’s population face starvation within decades, and the Solarian Union’s dominance could become unassailable. Success, however, means a rebirth for humanity—a chance to explore the stars, establish new colonies, and reclaim control over their destiny.

A ship under siege. A world on the brink of civil war. A distraught people seeking a new beginning. A battle weary crew that can barely hold it together. Even a legend can use a little help from time to time. The crew of the Aurora, the Karuzari, and the Corinairans must find a way to work together, or else they may all perish.

Dr. Beth Parker is a space archaeologist, documenting the history of planetary expansion and colonization for Kalok Enterprises and the Interplanetary Mining Guild. A piece of alien technology embeds itself in Beth's arm, giving her the ability to see the energy impressions of long-ago people and events. When Beth uncovers proof of genocide that could bring down the big mining companies, she's the target of assassins. Wyatt makes a split-second decision to intervene, launching them both into a high-stakes cat-and-mouse game with some of the most powerful organizations in the system.

In this thrilling second book of the Earthborn trilogy, Lucas and Asha have survived the decimation of Earth at the hands of the invading Xalans and seek safe haven with their enemy's true foes, the Sorans. They find a lush planet inhabited by a civilization far more advanced than their own, waging a seemingly endless war against a constantly evolving enemy. The Sorans call the pair of them the "Earthborn", and they're welcomed as heroes, almost as gods.