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

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

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

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

The impacts of space weather such as extreme solar winds and magnetic waves are not limited to outer space. Bursts of plasma emanating from the sun, for instance, can temporarily intensify electric ...

The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

NASA's PUNCH mission has unveiled its first images of colossal solar eruptions known as coronal mass ejections (CMEs) — ...

"We didn't know what exactly to expect from these first observations – the sun's poles are literally terra incognita,” Sami ...