Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter’s moon Io is the ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Juno spacecraft captured the most powerful volcanic eruption ever seen on Jupiter’s moon Io. (CREDIT: NASA / JPL / ...

A moon can sit next door to another and still feel like a different world. Around Jupiter, that contrast shows up fast. Io looks scorched and bone-dry, yet it is the most volcanically active moon in ...

A celestial conjunction event featuring Venus and Spica is anticipated for November 3. Jupiter is expected to display a multi-phase transit phenomenon involving Io and its shadow, along with Europa's ...

How big can volcanic eruptions get on Jupiter’s moon, Io? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as an international team of scientists ...

The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5. When you purchase through links on our site, we may earn an affiliate commission.

A new analysis of data from NASA’s Galileo spacecraft reveals a subsurface “ocean” of magma–either molten or partially molten–beneath the surface of Jupiter’s volcanic moon Io. The finding, from a ...

During its close flyby of Jupiter's moon Io on December 30, 2023, NASA's Juno spacecraft captured some of the most detailed imagery ever of Io's volcanic surface. In this image, taken by the JunoCam ...

Remember that old sci-fi story, "A Pail of Air" by Fritz Leiber, where the Earth got stolen away from Sol by a dead star whizzing through, and the Earth's whole atmosphere snowed out of the sky?

Io transits Jupiter, showing us how quickly our view can change — now that we are a few days past opposition, the moon and its shadow won’t quite overlap, but instead Io’s shadow will now trail it ...