In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.

Pluto was long considered the ninth planet of the solar system, but changes to the definition of planet got it kicked out of ...

A groundbreaking discovery confirmed by NASA surrounding a young star offers new insights into planet formation and the role ...

Webb’s powerful instruments have detected crystalline water ice in a distant star system, offering rare insight into planet ...

Scientists are analysing the smells of space – from the aroma onboard space stations to planets hundreds of light years away ...

But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

These 30 photos showcase the most mind-blowingly gorgeous, almost unreal places our world has to offer. Bolivia’s Salar de ...

The moon will rise with Venus and the ice giant Neptune in the pre-dawn sky on Thursday, May 22.

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...