The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now ...

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding star.

Add BBC’s Planet Earth II to the list of programs heading to a second life on Snapchat. On Monday, Snap, the company behind the social network that now also serves as a short-form video platform ...

Astronomers have identified GJ 251 c, a super-Earth exoplanet just 18 light-years away, orbiting within its star's habitable ...