Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

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

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

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

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

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

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

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

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

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.