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

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

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

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

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 ...

Blue Planet II will debut later this year on BBC One, and it looks fucking incredible. The show follows an extremely successful launch of the incredible Planet Earth II last year, and it took four ...