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

Technically, it's not a real moon. It's what scientists call a quasi-moon—a space rock that doesn't orbit Earth directly but ...

NASA has discovered Saturn's moon Titan can mix molecules in ways previously thought impossible, shedding light on origins-of ...

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 ...

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

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

In a discovery that could rewrite what we know about where water comes from and the building blocks of life in the solar ...

The Moon likely formed from a giant impact with a sister planet, influencing Earth’s seasons and habitability.

THAT’s NO MOON - Earth doesn’t just have one moon; sometimes, it has a companion satellite or “mini-moon.” Discovered on ...

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 ...

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