Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

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 ...

The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close enough to Earth to temporarily enter its orbit at the end of the month, a phenomenon ...

Ever wondered why the moon looks different tonight than it did last night? It's not random; the moon is actually moving ...

Earth is set to play host to a visiting “mini-moon.” An asteroid is expected to swing by Earth next week, then spend about two months orbiting the planet as it gets temporarily caught by Earth’s ...

A second "mini-moon" — asteroid 2024 PT5 — will temporarily enter the Earth's orbit later this month Becca Longmire is a digital news writer-reporter at PEOPLE. She has been working at PEOPLE since ...

Earth will have an extra moon for a couple of weeks this fall, and it may return for a second round in a few decades. A 33-foot asteroid named 2024 PT5 is expected to be pulled into orbit around the ...