The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

The prospects of tall, vapory plumes of water gracing Europa's surface caused a huge splash in astronomy—but the very ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

Ganymede, Jupiter's largest moon, is also the solar system's largest satellite, even larger than the planet Mercury. It is ...

Jupiter and Saturn now have 15 more known moons between them. Four have been added to Jupiter and 11 to Saturn, bringing their totals to 101 and 285, respectively. The Minor Planet Center recorded the ...

Polling has consistently found that most people would prefer NASA spend money on things like monitoring climate change and averting asteroid collisions rather than human spaceflight. By Kenneth Chang ...

The Jupiter Icy Moons Explorer (JUICE) probe is on its very long journey to Jupiter. It won’t be until after this decade is over that the spacecraft will finally arrive at the King of Planets. Once ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

When producer Berly McCoy was out on her local frozen lake, she saw something she'd never seen before. There were dark spidery, star-shaped patterns in the ice and they freaked her out. So, we called ...

Europa transits Jupiter this evening, beginning shortly before 10 P.M. EDT. A few hours later, the small moon’s shadow follows it across as a dark blot on the cloud tops. Early in the evening, Jupiter ...