which suggests that Io has a mostly solid mantle, the authors report. Whether there may be some regions of magma deep inside the moon remains to be determined, they add. The findings indicate that ...

The friction builds up heat inside Io and causes ... Ganymede and now Io, but not Callisto. However, that moon will be imaged 21 times during close flybys by the European Space Agency's JUpiter ...

The Galileo probe expanded on our knowledge of Jupiter's moon, Io, showing us just how hot and hellish the Jovian satellite ...

"I think it was mostly solid on the inside, but there was melt being generated all the time and that was being erupted as volcanoes." Unlike Jupiter's famously erupting moon Io, which appears ...

An curved arrow pointing right. The surface of Io, one of Jupiter's many moons, is an especially hostile environment – even for space. Scientists recently observed its atmosphere completely ...

About the same size as Earth’s Moon, Io is constantly squeezed by its elliptical orbit around Jupiter. This squeezing, called tidal flexing, creates intense heat inside the moon, melting its ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. NASA’s Juno spacecraft has completed its first ultra-close flyby of the hellish moon Io.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. NASA’s Juno spacecraft has captured a beautiful but terrifying infrared photo of Io ...

Or perhaps more likely, look at under a microscope. The latest candidate for hosting nearby life is Jupiter’s moon, Io. Let’s take a look at what makes Io special, and what we might hope to ...

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 ...