A time-lapse view of Antarctica & the moon can be seen in footage captured by the Meteosat-11 satellite. Credit: Simon Proud ...

Astrophotographer Mark Johnstron captured a mesmerizing cloud of hydrogen plasma dancing above the sun's limb in this ...

A quasi-moon is a special type of celestial body that appears to revolve around Earth but actually orbits the Sun. Its ...

An image of a full moon. - Photo by Omer Tarsuslu/Anadolu via Getty Images It's a new lunar phase tonight, and day one of a new lunar cycle. There's still a few more nights until the moon is fully ...

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 ...

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. The newly ...

The Earth has a second moon? Not exactly, though social media would have you believe it. Earth has only one true natural satellite – our 2,159-mile-wide moon located approximately 239,000 miles away.

It's a new lunar phase tonight, and day one of a new lunar cycle. There's still a few more nights until the moon is fully visible, but for now it's slowly coming back to us. What is today’s moon phase ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...