An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Deep in the older, denser reaches of the Milky Way, there is a red dwarf star that shouldn’t exist — or at least, its family ...

The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than ...

Astronomers have discovered an exoplanetary system, 116 light-years away, that could redefine our understanding of how ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

An inside-out planetary system around the star LHS 1903 is turning everything that astronomers know about planet formation upside down.

An exoplanetary system located about 116 light-years from Earth may be reshaping scientists’ understanding of how planets form. It was discovered using data from NASA’s Transiting Exoplanet Survey ...

Astronomers have found a unique planetary system orbiting a red dwarf star. The system includes a rocky planet situated beyond its gaseous siblings, contradicting existing planet formation theories.

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations. An unusual planetary system with three known ultra-low ...