Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

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 ...

For this probe, the moon is way (way) closer now. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There's a lot less sky and a lot more moon in ...

For the next two months, the moon will have a temporary companion in its orbit around the Earth. A small asteroid, called a “mini-moon,” will partially circle the Earth before returning on an ...