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 ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

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 ...

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

The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to pass through our cosmic ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

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

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