Space Science Exploration

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

Colton Beck has done the improbable. With the aide of his allies, he’s managed to save the Rusa. Just when they think it’s time to focus on their new planet, Desmond returns, asking for a favor. The Ministry of Realms, thought to be destroyed by Drunal years before, still exists, and they’re hiding in the deep reaches of the River. To find them, the team follows a trail of clues, leading to a surprise, no one could have expected.

Too many years of hunting psychotic vampires night after night have left Rachel with a need for change. So when the opportunity to travel across the galaxy aboard a Lasaran warship to a utopian planet arises, the powerful Immortal Guardian jumps at the chance. Rachel eagerly looks forward to making a fresh start . . . until an enemy attacks and she ends up alone in an escape pod so far from alliance-occupied space that no one can hear her communications. No one except a renegade cyborg who shouldn't exist.

Humanity is on the brink of annihilation. Only one man can turn the tide. For centuries, we explored the stars and settled new worlds. But a mysterious alien threat emerged, launching devastating attacks and seizing entire star systems. Every fifty years they come, silent and relentless, before disappearing again into the dark. And as they close in on humanity’s home worlds, one more defeat could mean total extinction.

Calamity, the digital plague, is spreading, and where it strikes is both ruthless and random. Fearful of the Earth being ravaged, Van and the crew go on high alert to keep his homeworld free of galactic influence. That vision is shattered when Tony Burgess captures an alien ship... in Wisconsin. The ship isn't just a stray workboat. It's the opening ploy of a group that sees humanity as a business opportunity too big to pass up. Advancing in rank, Van is torn between two duties—to his crew and to his home.

Get ready to experience two more origin stories in the Backyard Starship universe.

An interstellar craft is decelerating after its century-long voyage. Its destination is V538 Aurigae, a now-empty planet dominated by one gigantic megastructure, a conical mountain of such height that its summit is high above the atmosphere. The ship's crew of five hope to discover how the long-departed builders made such a colossal thing, and why: a space elevator? a temple? a work of art? Its resemblance to the mountain of purgatory lead the crew to call this world Dante.

Ottanger always believed his mutation to be chance or perhaps the actions of fate. Or even the result of pollution on a hellish overpopulated Earth, ruled by a totalitarian Committee and its ruthless Inspectorate. But, when Ottanger is captured, tortured and made the subject of a strange experiment by the Inspectorate, he discovers otherwise - his mutation allows him to walk between alternate worlds. When Ottanger is thrown from his timeline from the far future, he meets the Fenris – humanity’s future form.

With interstellar victory behind him, his greatest enemies vanquished, and two galaxies now at peace, Charlie and his friends had settled into a happy life of contented normalcy on the beaches of Earth. Even his dragon companion had made new friends and found a fulfilling life. And with Leila's first child on the way, Charlie really thought the universe was smiling on him at long last.

The Starship Sa Niro and the Starship Sß Oubliette were in orbit around a black hole, one afternoon...by the end of the day, the crews of both starships were dead, victims of a single killer: Captain Alpha Raine. Raine claims he's acting under the command of a voice emanating from the black hole: Mr Modo. No one believes him.Everyone knows that things go into black holes; nothing comes out. But something inexplicable has been happening to Raine, and whatever it is seems to be spreading.

With Veteran pay comes veteran problems. And the Guild, more often than not, is the issue. He’s become an effective enforcer of the law, but unfortunately, crime is growing a lot more complicated. Someone is slaving artificial beings to ships, running contraband across the stars in a fatal practice that marries murder, theft, and kidnapping. Even as Mark’s crew grows, he discovers these crimes aren’t just horrific—they’re common. And he means to stop it.

Sally Jansen was NASA's leading astronaut, until a mission to Mars ended in disaster. Haunted by her failure, she lives in quiet anonymity, convinced her days in space are over. She's wrong. A large alien object has entered the solar system on a straight course toward Earth. It has made no attempt to communicate and is ignoring all incoming transmissions. Out of time and out of options, NASA turns to Jansen. For all the dangers of the mission, it's the shot at redemption she always longed for.

Mary Robinette Kowal continues the grand sweep of alternate history begun in The Calculating Stars. The Fated Sky looks forward to 1961, when mankind is well established on the moon and looking forward to its next step: journeying to, and eventually colonizing, Mars. Of course the noted Lady Astronaut Elma York would like to go, but there’s a lot riding on whoever the International Aerospace Coalition decides to send on this historic - but potentially very dangerous - mission. Could Elma really leave behind her husband and the chance to start a family to spend several years traveling to Mars?

A good Gajur gave his life. Will that sacrifice help bring the galaxy back to balance? Or topple known space into a war to end all wars? Armagost wasn't the only light snuffed prematurely. The attack destroyed an irreplaceable piece of Valint's life, as well. Now, Mark must toe the delicate line between lawman and friend, partner and lover. With those in power divided, the work has only begun. The galaxy no longer needs a maker of peace, but a lobbyist and negotiator. In order to deconstruct the entombed and corrupt system, Mark and the gang must stack the deck in their favor.

Des millions de pèlerins s'embarquent pour un long voyage vers le Vide, au cœur de la Voie lactée. Cette migration massive sonne le glas de notre galaxie. Ceux qui souhaitent empêcher ce pèlerinage n'ont plus beaucoup de temps... Poursuivie par les factions du Commonwealth, la Rêveuse Araminta ne peut échapper à son destin. Elle devra affronter le Rêve vivant, un combat dont elle ne sortira pas indemne.

Jon Ryan has some unfinished business. Since he caused the universe to reboot, well, he can't seem to find his wife of two billion years. That's one great big oops. He also can't find the massive time ship Aramthella and her human crew. Double oops. And then there's the matter of not knowing whey why there are several copies of key people in the new reality he must navigate. Triple oops. He actually knows one whole heck of a lot less about his current situation than seems healthy. But he's Jon Ryan, former fighter pilot turned android warrior for humankind.

When Ben Murdock receives a text message offering a fully operational starship for sale, he’s certain it has to be a joke. Already trapped in the worst day of his life and desperate for a way out, he decides to play along. Except there is no joke. The starship is real. And Ben’s life is going to change in ways he never dreamed possible. All he has to do is sign the contract. Joined by his streetwise best friend and a bizarre tenant with an unseverable lease, he’ll soon discover that the universe is more volatile, treacherous, and awesome than he ever imagined.

Naval Officer Jack Samson thought a posting to the frontier of human-inhabited space was the death blow to his career. He couldn't have been more wrong. A routine inspection of a small merchant vessel leads to devastating loss and the discovery of strange, fascinating objects. As astonishing discoveries unfold, a mysterious and hostile ship proves that Samson has a competitor in unlocking the secrets of an ancient alien civilization and that humanity might not be alone in the galaxy after all.

What could be more commonplace than grass or a world covered over all its surface with a wind-whipped ocean of grass? But the planet Grass conceals horrifying secrets within its endless pastures. And as an incurable plague attacks all inhabited planets but this one, the prairie-like Grass begins to reveal these secrets - and nothing will ever be the same again.

Van and his crew have killed an empire. The problem is the empire doesn’t know it’s dead. Moving among the stars, the Peacemakers are faced with their greatest challenge—removing an evil so vast, it has a presence in every known star system. To that end, they’ll need to move quickly. To do so, they must be mobile, and that means big changes in their tactics. . . and their crew. With the help of a shadowy figure known as the Body Thief, Van will continue his policy of justice and freedom for all citizens, even if they began life on a computer chip.