NASA's NIAC program is investing in visionary ideas that could revolutionize space exploration. From fusion-powered ...

There might be a type of exoplanet without dry land. They’re called “Hycean” worlds, a portmanteau of ‘hydrogen’ and ‘ocean.’ ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Astronomers have discovered jet-stream winds reaching 20,500 miles per hour on the planet WASP-127b. In Peru, paleontologists revealed a 9-million-year-old great white shark ancestor fossil. Lonestar ...