As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Mercury's tight orbit around the sun will see it depart Mars to travel leftward in the direction of the constellation ...

The moon isn’t alone; astronomers have discovered a new quasi-moon that’s following Earth’s orbit, but it’s only sticking ...

Tonight, October 23, 2025, stargazers are in for a rare treat as the waxing crescent moon lines up with Mars and Mercury just ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...

In a moment that blended childhood wonder with scientific awe, Willow Elementary School in Agoura Hills transformed an ordinary Tuesday evening into an unforgettable journey through space and time. At ...

A newly identified “quasi-moon” is being described as a second moon in Earth’s orbit, and it could stay there for decades.

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

Tonight, the Moon and Jupiter will have a close celestial encounter. This rare pairing can even be enjoyed with a naked eye.

Skywatchers will witness a rare event as the Moon, Mars, and Mercury appear close together in the twilight sky this October.

See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon ...