How can artificial intelligence (AI) help astronomers identify celestial objects in the night sky? This is what a recent ...

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

As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

Earth has breached a critical boundary for ocean acidification, with potentially grim effects for ocean ecosystems and human ...

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

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

Astronomers using data from the W. M. Keck Observatory on Maunakea in Hawaiʻi Island have identified a rare, ancient ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

After four rounds of layoffs in two years that cut a quarter of its employees, the Jet Propulsion Laboratory now faces a ...

NASA has thrown a lifeline to scientists working on a mission to visit an asteroid that will make an unusually close flyby of ...