The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

Discovered by Galileo in 1610, Io has since become one of the most fascinating objects in planetary science. Orbiting just ...

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

The scientists also took images of Jupiter’s auroras with NASA’s Hubble Space Telescope at the same time Webb made its ...

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary ...

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...

Jupiter’s auroras sparkle with mystery — and Webb just uncovered a cosmic riddle scientists didn’t see coming.

Webb telescope uncovers fiery, fast-pulsing auroras on Jupiter, reshaping how scientists understand the planet’s magnetic ...

The result may have been comparable to Jupiter's moon Io, the most volcanic body in the solar system. Early in the history of the solar system, a massive protoplanet plowed into a young Earth.

Io is an infamous world teeming with violent volcanoes spewing particles that can escape the moon's gravity and sneak into Jupiter's orbit. As Jupiter captures all of the charged particles ...