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

Artist impression of the planetary system with four planets,around a small red star,called LHS1903. Caption: Astronomers have long thought solar systems follow a simple pattern similar to our own: ...

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 ...

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.

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

Astronomers have discovered a surprising planetary system that does not follow the usual rules of how planets form. The ...

Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...

ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) has revealed a four-planet system whose outermost world is a small and rocky planet -- not a gas giant.