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

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the ...

NASA has discovered an interstellar comet that’s wandered into our backyard.The space agency spotted the quick-moving object ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...