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

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

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

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

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A comet the size of Manhattan has been detected hurtling through the solar system, marking only the third time an ...

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

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

Astronomers have discovered an interstellar object travelling through the solar system that is expected to pass by Earth ...

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