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

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

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

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...

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

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

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

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

A new object that is believed to be from beyond the solar system has been seen by scientists, according to astronomers. It ...

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

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.