Astronomers have re-discovered a temporary moon that has joined Earth’s orbit. The mini-moon/asteroid is named 2025 PN7. It’s about 62 feet in diameter and will eventually return to its other orbital ...

Earth getting mini-moon (temporarily). What to know about asteroid 2024 PT5. Beginning Sunday, Earth's skies will soon have a temporary visitor. On September 29, an asteroid dubbed 2024 PT5 will ...

A second moon orbiting a planet may seem like something out of a science fiction novel. But a second “moon” entered Earth’s orbit Sunday and will loop around the planet until late November. "In its ...

Earth has its fair share of fleeting companions. But sometimes, these so-called "mini-moons" have a surprising origin story. Take 2024 PT5, a bus-sized asteroid that drifted near Earth last year.

A lot is going on in the skies this fall. You’ll see a powerful solar eclipse in Libra on Oct. 2, a full moon in fiery Aries on Oct. 17, and expansive Jupiter will be retrograde on Oct. 9. Oh, and ...