Io

Why exomoons could sustain ET as well as any exoplanet

"That's really saying something."

The newly-discovered volcanic hotspot is larger than Earth's Lake Superior, and belches out eruptions six times the total energy of all the world's power plants.

From solar storms to "shooting stars" over Stonehenge, here are our top 10 favorite space photos of 2024 — and what they told us about our beautiful cosmos.

Does Jupiter's moon Io have a global subsurface magma ocean? A new study said no, and that Io's raging volcanoes are self-powered with their own magma pools. The post Io's raging volcanoes are self-powered first appeared on EarthSky.

"It's just extraordinary."

The most volcanic place in our solar system.

Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be visible all night long.

Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's Night Sky Notes!

Unusual magnetically driven vortices may be generating Earth-size concentrations of hydrocarbon haze

A team of scientists from the Lunar and Planetary Laboratory at the University of Arizona, TU Delft, and Caltech has developed a new method to compute how tides affect the interiors of planets and moons in the Solar System.

Discover Io, Jupiter's volcanic wonder. NASA's Juno probe reveals a world of constant eruptions and rivers of lava in stunning detail.

Jupiter's moon Io has a new volcano! The volcano appears in Juno spacecraft images from February 2024. Streams of lava and sulfur stains mark its flanks. The post Jupiter's moon Io has a new volcano! See pics here first appeared on EarthSky.

A new study presents measurements of Io's volcanic gasses that indicate Jupiter's moons Io, Europa, and Ganymede have been locked into a specific orbital resonance for nearly their entire existence.

The largest storm in our solar system, an 8,700-mile-wide anticyclone on Jupiter long beloved by astronomers, may be slowly fizzling out.

Engineers spent months working to repair link with Earth's most distant spacecraft, says space agency

NASA's Juno spacecraft made extremely close flybys of Jupiter's volcanic moon Io in December 2023 and February 2024, getting within about 1,500 km (930 miles) of the surface.

The volcanic surface of Jupiter's huge moon Io got a stunning close-up thanks to NASA's Juno mission.

A hellish space view.

NASA's Juno spacecraft saw molten rock on Jupiter's moon Io