Scientists spotted a piece of rock following planet Earth earlier this year, but older photos show it's actually been ...

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

"With the Earth and quasi-moon taking turns passing each other, the quasi-moon appears to be moving around us," Ponterio said ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Unlike the familiar Moon, 2025 PN7 does not orbit Earth. Instead, it travels around the Sun along a path that closely ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

Fragments of a rare type of meteorite have been found in the sample of material brought back from the lunar far side by China ...

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

Something called a "quasi-moon" was discovered in August, and now many are wondering if we should count our new neighbor as a ...

A recently observed object was found orbiting near the Earth. The quasi-moon is expected to accompany our planet in a similar ...

Scientists out of the Pan-STARRs observatory in Hawaii discovered the new quasi-moon on Aug. 29, according to CNN and ABC ...

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