A stellar explosion almost 600 billion times brighter than the sun pushes the limits of physics
In this episode of Richard Garriott's miniseries, he shows us how Earth formed, how remnants of that formation still wander the solar system and how our planet came to be covered by oceans...
NASA’s best hope for planetary defense resides with a proposed asteroid-seeking space telescope. Will it get funded?
Richard Garriott, video game developer and space entrepreneur, explains how he and his wife collected enough artifacts to illustrate the entire history of the universe. In this video he takes us back to the very beginning...
Dips in starlight reveal the architecture of a super Saturn around a distant star
Once considered the stuff of science fiction, fully reusable rocketry is now closer to reality than ever before
More than 30 worlds have new names drawn from world mythology, literature and history
Two controversial new studies suggest the discovery of large objects at the outer reaches of the solar system
New findings reveal a crater’s vaporous hazes, and hint at the dwarf planet’s possible origin in the outer solar system
Astronomers are closing in on the origins of baffling radio flashes from deep space
All it takes is a magnet and knowing where to look.
Air jets and sound waves can be used to levitate objects. But the strangest way of all taps the quantum effects of superconductors. Game developer, space traveler and friend of Scientific American Richard Garriott glides through the demonstration...
In his new book, the founding executive director of the Planetary Society contends that humans will make it to Mars, but robots will go much farther.
Stars that disappear rather than explode could signal a black hole’s beginnings
China, Russia and the U.S. are developing and testing controversial new capabilities to wage war in Earth orbit
The blockbuster film’s futuristic vision of interplanetary exploration could soon be out of date
The risk of microbial contamination could prevent humans and even robots from visiting the most promising parts of the Red Planet
Ever since 2005, when NASA’s Cassini orbiter found plumes of water vapor spilling out of cracks in the south pole of Saturn’s icy moon Enceladus, researchers have sought to learn more about the moon’s mysterious interior as a possible abode for extraterrestrial life...
Sluggish production of nuclear fuel could make solar power the preferred choice for the agency’s outer-planets missions
When the famed astrophysicist needed to select a college, he turned to the pages of Scientific American for help. Years later, our profile about him turned out to be his favorite...