Most people would think that Earth only has one moon, but in reality it's had multiple moons on more than one time. And right ...

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

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

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

The mini-moon/asteroid will only be joining Earth's orbit temporarily before it returns to its other orbital path.

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

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 ...

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

NASA has confirmed that a small asteroid named 2025 PN7 has been orbiting alongside Earth since the 1960s and will remain our mini-moon until 2083.

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

Scientists have discovered asteroid 2025 PN7, a celestial body now identified as a quasi-satellite. This asteroid will orbit ...

The discovery of quasi-moon PN7 has caused a stir on social media. A University of Oregon astronomy professor explains. what ...