The comet will then make its closest approach to Earth on June 2, when it will be about 144 million miles from our planet and offer another opportunity to see it.

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...

Earth objects, astronomers recently discovered a comet visiting from interstellar space. This is only the third interstellar ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

There are lots of objects floating around in our solar system, but one thing most have in common is a common origin, and then ...

An alien planet orbits so close to its star that its atmosphere is being blasted away, forming a gaseous, comet-like tail, astronomers announced Thursday. (Related: "Odd Star Sheds Comet-like Tail." ...

Long-period comets, like this one, first brought organic compounds to Earth when they hit the planet 4 billion years ago. It is because of these comets that “Earth has its abundant life ...

A massive comet — so large that scientists had previously mistaken it for a dwarf planet — is hurtling through space toward our solar system and is expected to arrive in about 10 years, new ...

Could 'Planet X' Cause Comet Catastrophes on Earth? News. By Ian O'Neill published 31 March 2016 When you purchase through links on our site, we may earn an affiliate commission.

Conspiracy theorists began speculating that the comet is Nibiru in disguise — a planet or even an enormous brown dwarf star. In fact, Elenin is a textbook comet; it has visible "coma," or ...