Scientists have discovered a previously unknown quasi-moon that’s been shadowing Earth’s orbit for decades, undetected, and will likely remain there for a few decades more. The quasi-moon, named 2025 ...

Earth will be "borrowing" an extra moon for nearly two months starting this week. An Arjuna asteroid will become a "mini-moon" event for nearly two months starting Sept. 29, according to a study ...

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 ...

For more than 60 years, Earth has been stalked by a space rock without any of us realising. And we have no idea where it even came from. Well, kind of. Astronomers have discovered that a tiny asteroid ...

The December full moon, also known as the cold moon, will rise early in the month, on Thursday, Dec. 4, 2025 at 6:14 p.m.