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The blockbuster film’s futuristic vision of interplanetary exploration could soon be out of date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...
Campaigns to name exoplanets seem like Shakespearean farce
The newfound planet is 96 light years away, but it's the closest twin to Jupiter astronomers have ever directly seen
China, Russia and the U.S. are developing and testing controversial new capabilities to wage war in space despite their denial of such work
The mysterious gunk on Jupiter’s moon may be sea salt
Private funding for the Arecibo Observatory—the largest single-dish radio telescope in the world—may be a poison pill
The planet, Kepler 452 b, is likely rocky and orbits in its star’s habitable zone where liquid water can exist
With a $100-million donation, billionaire Yuri Milner plans to revolutionize the astronomical quest to find alien life