The universe has quasi-moons, mini-moon, 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 ...

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

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

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

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 ...

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

Earth is home, but it’s also full of surprises. Some of these facts might make you stop and say, “Wait, is that true?” Let’s ...

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

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now ...

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

November's full moon will also be bigger and brighter than usual. Here is everything to know about the Beaver Moon and how to ...