NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

These starless worlds are difficult to find and study, but this particular one is teaching us new lessons about the universe.

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

A free-floating planet has been seen devouring astonishing amounts of matter, hinting that stars and planets are more alike than we thought ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

A mysterious "rogue" planet has been observed gobbling six billion tonnes of gas and dust a second -- an unprecedented rate that blurs the line between planets and stars, astronomers said.

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...