These rare samples, uncovered on the moon by China’s Chang’e 6 mission, might help to reveal secrets of how the solar system ...

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

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

Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon ...

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

NASA’s upcoming Artemis II mission will put humans in the moon’s orbit for the first time in more than 50 years.

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...

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

Earth has welcomed a new temporary mini-moon, asteroid 2025 PN7, a 62-foot object now orbiting our planet for decades. This ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...