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 ...

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 ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

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 ...

Be sure to look up for one of October's most beautiful sky pairings Cheng Xin/Getty On Monday, Oct. 13, into early Tuesday, Oct. 14, the moon and Jupiter will appear side by side just before midnight ...

If you're up late on Monday night (Oct. 13), or awake in the predawn hours of Tuesday (Oct. 14), look east for a striking sight. The moon, just hours past its last quarter phase, will rise above the ...

After nearly 10 years, Nasa’s Jupiter explorer Juno is likely no longer operating, with its latest mission extension ending during the ongoing U.S. government shutdown. The Juno spacecraft launched ...