Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

Jupiter’s moon Io has revealed a breathtaking spectacle through the lens of the James Webb Space Telescope (JWST).

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud ...

Trapped in a gravitational push and pull between Jupiter and other Jovian moons, Io is constantly being stretched and ...

Scientists have studied our solar system, which is home to eight major planets and more than 400 known moons orbiting six of them, to understand the new phase of the moon formation observed around ...

But as researchers have discovered more moonlike objects in our solar system—including 128 moons orbiting Saturn just this ...

NASA’s James Webb Space Telescope has now captured the first direct look at material within a disk encircling a massive ...

In a discovery that opens a rare observational window into moon formation, NASA’s James Webb Space Telescope has detected a ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...

NASA's Artemis campaign is the agency's ambitious campaign to return Americans to the surface of the moon for the first time in more than 50 years. Starship, the approximately 400-foot megarocket that ...