A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

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

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

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

What minerals within the grain samples from asteroid Ryugu that returned to Earth can teach scientists about this intriguing ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

The Rubin Observatory released its first magnificent images of the cosmos on Monday, June 23 — and included a special ...

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

A tiny grain from asteroid Ryugu has revealed djerfisherite, a mineral that normally forms in scorching, oxygen-poor settings ...

The mysterious blast site of the Tunguska Event of 1908 is revealed in satellite images obtained by NASA’s Operational Land ...

Right here on Earth are some outstanding examples of meteorite and asteroid impact craters and other visible impact ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected ...