A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

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

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

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

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

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

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

An international research team led by the University of Southern Queensland (UniSQ) has discovered two new planets performing ...

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

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

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

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