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

Recent scientific research has unearthed an intriguing proposition that Earth may have once been orbited by two moons instead of one. This radical idea not only challenges our understanding of the ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...