(Web Desk) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky ...

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

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations – and suggests these faraway worlds formed in a manner never seen ...

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be ...

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

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

An artist's concept depicting the pulsar planet system. (Photo by: Universal History Archive/Universal Images Group via Getty Images) Rarely even acknowledged as the first planets discovered beyond ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The system, observed using the European Space Agency's Cheops space telescope, consists of four planets — two rocky and two ...