Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

The PRIME telescope, operated by Osaka University and others in South Africa, which can potentially study the Milky Way's ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

The mission of NASA's Kepler spacecraft is in peril. The space agency says a malfunction has disabled a reaction wheel that keeps Kepler's telescope pointed precisely at far-away planets, a glitch ...

It’s nestled at the perfect distance from the sun to allow ... to hunt for these transit events which give away the location of potential planets. TESS, seen here prior to launch, is NASA ...

and far away planets. The extraordinary images captured by the telescope dubbed the "ultimate discovery machine" have revealed 26 million galaxies, some of which are as far away as 10.5 billion ...

But no one has actually spotted Planet 9. It's so far away, it would be a faint object, and the swath of sky that researchers have to search is huge. Now, though, researchers are close to finally ...