It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

From ringing like a bell to hiding traces of ancient magnetism, the Moon is far stranger than it looks. Here are ten ...

LONDON (AP) — We’ve seen a lot of Prince William recently _ and we’re going to see a lot more. The heir to the British throne will be on the streets of Rio de Janeiro this week to promote his ...

The object is called 2025 PN7, and it was spotted on Aug. 2, 2025, by the Pan-STARRS telescope in Hawaii. Even though it was just discovered, earlier data shows it's been in this unusual orbit for ...

JACKSONVILLE, Fla. — You may have heard claims that NASA scientists confirmed the Earth has a second moon, but that statement isn't totally true. NASA did confirm there is a newly discovered ...

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 ...

'The Solar System is full of surprises, so we keep looking,' one researcher said 'The Solar System is full of surprises, so we keep looking,' one researcher said 'The Solar System is full of surprises ...