Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Tentatively planned for launch in October 2038 (with a backup in November 2039) to arrive in 2050, the Enceladus Orbilander mission would orbit the moon twice per day for 200 days specifically to ...

There's no indication of any plate tectonics on the moon, so we don't have a clear analog for what can be driving the process on Io. Science, 2024. DOI: 10.1126/science.adj0625 ( About DOIs ).

An amateur astronomer may have found the first crater ever spotted on Jupiter’s moon Io. Io is so volcanically active that eruptions tend to wipe away any impact craters, so we have never seen ...

Jupiter’s moon Io may have been volcanically active throughout its life. In this image of Io, taken by NASA’s Juno spacecraft in 2023, a bright volcanic plume can be seen on the left, just ...

The team turned to data from two close flybys of Io from NASA’s Juno spacecraft from December 2023 and February 2024. As the spacecraft approached within 930 miles of the moon, scientists used ...

The team behind these findings used data collected by Juno, which made flybys of Io in Dec. 2023 and Feb. 2024 and came to within about 930 miles (1,500 kilometers) of the Jovian moon's surface.In ...

As the BBC's recent video "Jupiter's moon, Io – the most volcanic world in the solar system" reveals, this celestial body is a world of fire and constant transformation.

The dense moon is the fourth largest satellite within the solar system, and unlike most of Jupiter and Saturn’s moons, Io is covered in a hellish landscape of more than 400 active volcanoes.

S cott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...

Scientists have determined Saturn's moon Enceladus has the necessary materials to make it habitable, according to a new study. "We previously found that Enceladus’ ocean is rich in a variety of ...

Scientists have discovered phosphorus on Enceladus, the sixth largest moon of Saturn, NASA said Wednesday. The element, which is essential to planetary habitability, had never before been detected ...