Mostrando resultados por autor "Gregory Benford" en Todas las categorías

In a future wracked by environmental catastrophe and social instability, physicist John Renfrew devises a longshot plan to use tachyons - strange, time-traveling particles - to send a warning to the past. In 1962, Gordon Bernstein, a California researcher, gets Renfrew's message as a strange pattern of interference in an experiment he's conducting.

Karl Cohen, a chemist and mathematician who is part of the Manhattan Project team, has discovered an alternate solution for creating the uranium isotope needed to cause a chain reaction: U-235. After convincing General Groves of his new method, Cohen and his team of scientists work at Oak Ridge, preparing to have a nuclear bomb ready to drop by the summer of 1944 in an effort to stop the war on the western front. What ensues is an altered account of World War II in this taut thriller.

It is 2076: Lancer, Earth’s first starship, is on a mission to find interstellar civilizations. Although astronaut Nigel Walmsley’s experiences with alien encounters make him the expert, no one believes Nigel’s theory that machines are the dominant intelligent beings left in the galaxy and that their purpose is to annihilate all organic life. Then the explorers discover once-living planets where only machines remain – and ruined worlds where fugitive survivors must evade omnipresent and lethally advanced A.I. warships.

An unabridged audio collection spotlighting the "best of the best" hard science fiction stories published in 2016 by current and emerging masters of the genre, edited by Allan Kaster, as narrated by top voice talents.

When an explosion of the rocket launching the Mars Transit Vehicle kills four crewmen, the US decides to redirect its energies to near-Earth projects, killing the manned mission to Mars. But tycoon John Axelrod assembles a consortium to fund the project, and he expects to net billions. But a European-Asian airbus will make a similar expedition. Now, the race is on to get to the Red Planet first.

This unabridged audio collection spotlights the “best of the best” hard science-fiction stories published in 2017 by current and emerging masters of the genre.

Nearly 100,000 years after first contact with the machines that dominate the universe, only a few hundred humans survive. Trapped on Snowglade, a barren world near the center of the galaxy, Killeen and his child, Toby, of the Bishop Tribe, are primitive scavengers, homeless and hunted by the ruling “mechs”. Then suddenly, a strange cosmic entity – neither organic nor cybernetic or living matter – reaches out from a black hole to speak with Killeen.

It isn’t easy to get a group of bestselling SF authors to write new stories for an anthology, but that’s what Elizabeth Anne Hull has done in this powerhouse book. With original, captivating tales by Greg Bear, Gregory Benford, Ben Bova, David Brin, Cory Doctorow, Neil Gaiman, Joe Haldeman, Harry Harrison, Larry Niven, Vernor Vinge, Gene Wolfe, and others, Gateways is a SF event that will be a must-buy for SF readers of all tastes, from the traditional to the cutting edge; from the darkly serious to the laugh-out-loud funny.

Prescient and scientifically accurate, Heart of the Comet is known as one of the great hard SF novels of the 1980s. First published in 1986, it tells the story of an ambitious manned mission to visit Halley's Comet, alter its orbit, and mine it for resources. But all too soon, native cells - that might once have brought life to Earth - begin colonizing the colonists. As factions battle over the comet's future - and that of Earth - only love, courage, and ingenuity can avert disaster and spark a new human destiny.

Science fiction masters Larry Niven (Ringworld) and Gregory Benford (Timescape) continue the thrilling adventure of a human expedition to another star system that is jeopardized by an encounter with an astonishingly immense artifact in interstellar space: a bowl-shaped structure cupping a star, with a habitable area equivalent to many millions of Earths. And which, tantalizingly, is on a direct path heading toward the same system the human ship is to colonize.

It is 2019. NASA astronaut Nigel Walmsley is sent on a mission to intercept a rogue asteroid on a collision course with Earth. Ordered to destroy it, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal….

A human expedition to colonize another star system is jeopardized by an encounter with an astonishingly immense artifact in interstellar space: a bowl-shaped structure cupping a star, with a habitable area equivalent to many millions of Earths. And which, tantalizingly, is on a direct path heading toward the same system.

Few writers have successful blended hard science and speculation with fully realized characters as Gregory Benford has in his critically acclaimed novels. Now he draws us into a vortex of mystery and danger at the heart of the galaxy in his dazzling epic drama, Furious Gulf.

Millennia of conflict between humans and mechs have driven the human race to near-extinction. Now, as the fierce AI mechs begin their final assault on mankind, it soon becomes apparent that three men – three generations in a family of voyagers – are their targets. Toby Bishop, his father, Killeen Bishop, and his grandfather, Nigel Walmsley, each carry a piece of the lethal secret that can destroy their enemies. But hunted through space and time by relentless assassins, they have no idea that they possess the only weapon that can save humanity.

Their historic mission to Mars made Julia and Victor the most famous astronauts of all time. Now, decades later, they are ordered by the Consortium to Pluto, where they will rendezvous with another starship led by the brilliant, arrogant Captain Shanna Axelrod. Here, on the frozen ammonia shore of Pluto's methane sea, Shanna has discovered intelligent creatures thriving in the -300° degree temperatures.

Onboard an ancient starship, Killeen and the Bishop tribe escape the mech-ruled world of Snowglade. Seeking refuge on a faraway planet, they discover vast wonders: an organic life-form as large as a world, a planet-coring cosmic string, a community of humans ruled by a brutal tyrant, and ultimately an alien race more awesome than any they have encountered. As they battle for survival against these myriad dangers, Killeen and his crew will gain an unforeseen ally - one that may determine humanity’s true destiny.

From Asimov's Science Fiction Magazine, here are the best stories of 2002, written by four of the most respected writers of our day: Robert Silverberg, James Patrick Kelly, Ian Watson, and Gregory Benford. Also try The Best of Analog Science Fiction and Fact Magazine and The Best of Fantasy and Science Fiction Magazine 2002.

A Hunger for the Infinite, which first appeared in Robert Silverberg's Far Horizons anthology, is a novella that takes place in the universe of "The Galactic Center Saga", detailing a galactic war between mechanical and biological life. Here, the pilots had made it to True Center in order to destroy something, anything, important to the Mechs, but Paris had something else on his mind. A story of the Mantis, and the decline of humans beginning in 3600 AD.

Fascinating “What If?” stories from Hugo and Nebula award-winning masters of alternate history! What would the world be like if Teddy Roosevelt had fought in World War I? If the space race started during World War II? If Joseph McCarthy had been elected President? These and other questions are answered in this collection of alternate histories. As these stories suggest, the world as we know it might have turned out different than it is today, if only one minor—or major—change had occurred in history.

Audacious astronauts encounter bizarre, sometimes deadly life forms, and strange, exotic, cosmic phenomena, including miniature black holes, dense fields of interstellar plasma, powerful gravity-emitters, and spectacularly massive space-based, alien-built labyrinths. Tasked with exploring this brave new, highly dangerous world, they must also deal with their own personal triumphs and conflicts.