The universe is vast, and while our solar system is the center of our everyday lives, it is just a tiny part of the cosmic ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...

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

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

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

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

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

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