A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

By Will Dunham WASHINGTON, July 22 (Reuters) - Scientists are documenting a planetary system in the Milky Way galaxy that is ...

It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life ...

Much to the dismay of many professional and amateur astronomers, the 1978 discovery of Pluto’s largest moon Charon ultimately ...

Astronomer Dr. Collin Cherubim and his team have detected an atmosphere around an extrasolar planet, LHS 1140-b. The sphere ...

In a novel three-tiered hierarchical system, the star CD-35 2722 is orbited by a brown dwarf that, in turn, is orbited by a ...

Two giant planets lighter than cotton candy are giving astronomers a rare new window into the origins of some of the galaxy's ...

Astronomers have detected helium escaping from the atmosphere of LHS 1140 b, a rocky, Earth-size planet sitting inside the ...

Eulalia asteroid bombardment: a new study identifies the Eulalia asteroid family as the source of a third wave of impacts ...

A giant planet had been hiding inside one of astronomy’s most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of ...