The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered 2025 PN7, a small quasi-moon that mirrors Earth’s orbit around the Sun. (CREDIT: ESA) Earth has just ...

Earth's quasi-moons are not actually moons, but temporary asteroids that eventually leave Earth’s orbit JPL-Caltech/NASA A new "quasi-moon" named 2025 PN7 has been discovered, according to a ...

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

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

This week in Starwatch I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...

Historical observations of the Moon's motion, dating back to ancient civilizations, played a crucial role in the development of timekeeping and calendar systems. The Moon's orbital cycle can be ...