Sittin' On the Dock of the Bay NASA has released stunning new artist impressions of an extremely reflective lava lake on the surface of Jupiter's moon Io. While the generated clip, released by the ...

Jupiter’s moon Io, the most volcanically active body in the solar system, is littered with hundreds of erupting volcanoes. High-resolution images now reveal several dozen lava lakes, researchers ...

Two very close recent flybys of Io by the Juno spacecraft have revealed more detail about the most volcanic world in the solar system - Jupiter's mysterious moon, Io. Nasa has released a new ...

In our top science stories this week, reporter Ed Cara explores the similarities and differences between today’s popular obesity drugs and fen-phen, a briefly trendy weight loss aid that was ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.