The exploration of binary star systems reveals surprises that challenge our conceptions of planetary formation. Thanks to NASA's TESS satellite, specialized in hunting exoplanets, an ...

Earth" less than 20 light-years from our own planet is offering scientists new hope in the hunt for other worlds that could harbor life, according to an international team including researchers from ...

Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

The study revealed that TOI-2267 has two closely bound stars orbiting each other, and the third planet transits the companion ...

JACKSONVILLE, Fla. — You may have heard claims that NASA scientists confirmed the Earth has a second moon, but that statement isn't totally true. NASA did confirm there is a newly discovered ...