The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local ...

Tonight, skywatchers will be treated to a stunning spectacle as the Moon and Jupiter align in the night sky. Just hours after ...

NASA/Jet Propulsion Laboratory-Caltech/Southwest Research Institute (SwRI)/Malin Space Science Systems (MSSS); Image ...

Tonight, the Moon will pass close to bright Jupiter, offering stargazers a striking and easily visible sight. This naked-eye event will make two of the night sky’s brightest objects appear side by ...

In 1979, NASA Jet Propulsion Laboratory (JPL) scientist Linda Morabito discovered volcanic activity on Jupiter’s innermost moon, Io. But Io isn’t just volcanically active—it is the most volcanically ...

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the early morning hours of Sept. 16 to see the moon conspire with Jupiter and the ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Jupiter’s moon Io is the most volcanically active world in the Solar ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Jupiter’s moon Io is a hotbed of geological activity, with over 400 active volcanoes. Because of this high level of activity, scientists have been debating for years about what’s going on under the ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...