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

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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Spacecraft are not like the starships you see in movies. There is no endless supply of dilithium or hypermatter that lets you ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

A quiet, glowing gas cloud has been hiding in plain sight not far from Earth. For decades, astronomers have predicted that ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...