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 ...

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

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

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your ...

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

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

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