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

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

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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

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.

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

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 ...

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