Researchers believe the “quasi-satellite” has accompanied Earth since 1957.

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...

The Moon is gradually drifting away from Earth at a rate you could measure with a ruler if you waited […] ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from Earth, may actually be easier than finding a white cat in a snowstorm. A ...

Scientists working for a NASA-funded project at the University of Arizona said that a possible "mini moon" is currently orbiting the Earth. Kacper Wierzchos of the Catalina Sky Survey tweeted this ...