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

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

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

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

"The Solar Family" is an 11-minute educational film produced by Encyclopedia Britannica Films in 1936. It presents the evolution of the solar system through the lens of the planetesimal hypothesis, a ...

This video is an artistic representation of a newly discovered system, LHS 3154, which contains a planet far more massive for its sun than current models would predict. UNIVERSITY PARK, Pa. – The ...

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

In A Nutshell Ancient frozen chemistry: New analysis of pristine samples from asteroid Bennu suggests its amino acids formed ...