Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Astronomers have identified a compact, superheated galaxy in the early universe that is churning out new suns at roughly 180 ...

It's easy to imagine clone armies, lightsabers, and starships on some of these very real planets.

CAPE CANAVERAL, Fla. (AP) - It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. June’s full moon ...

A team of researchers has demonstrated a new way in which sub-Neptune-sized exoplanets could produce a great deal of water.

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

A team of researchers has confirmed stars ring loud and clear in a "key" that will harmonize well with the science goals and ...

(CNN) — June’s full moon, nicknamed the strawberry moon, will shine brightly on Tuesday night and Wednesday morning. The moon will be at its fullest at 3:44 a.m. ET Wednesday but will still appear ...