A NASA spacecraft orbiting Jupiter has just witnessed some of the most extreme volcanic eruptions ever seen in the solar system, coming from a giant underground magma chamber on the "tormented" Jovian ...

And while Earth, of course, has plenty of active volcanoes of its own, eruptions on the Jovian moon have attracted scientific interest because they are thought to be caused by very different factors.

not counting a number of moonlets likely shed from the inner moons, and S/2003 J 24, whose orbital elements have not yet been published. All together, they form a satellite system which is called the ...

Jamie Carter is an award-winning reporter who covers the night sky. Illustration of the Jovian moon Io, seen against the backdrop of Jupiter's Great Red Spot. The ... [+] latter is a vast ...