In a breakthrough for exoplanet science, astronomers have discovered three Earth-sized planets orbiting both stars in a ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

Astronomers have discovered GJ 251 c, a rocky super-Earth just 20 light-years away, one of the most promising nearby worlds ...

Scientists out of the Pan-STARRs observatory in Hawaii discovered the new quasi-moon on Aug. 29, according to CNN and ABC ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

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

THAT’s NO MOON - Earth doesn’t just have one moon; sometimes, it has a companion satellite or “mini-moon.” Discovered on ...

While researchers say they've found a potentially habitable planet, it'll take a new generation of telescopes to figure out ...

This hypothetical world, which would also lurk within the Kuiper Belt, could be around twice as near to Earth as Planet X — and it may be much closer in size to our own planet, too. Its potential ...

Scientists have recently proposed the existence of “Planet Y,” a hidden Earth-sized world that could be lurking in our solar ...

A new exoplanet candidate has just burst onto the scene, and it may be one of the best alien worlds yet on which to search ...

A rogue visitor from deep space, Comet 3I/ATLAS, has put NASA on alert after its trajectory and behaviour shifted ...