Astronomers using the James Webb Space Telescope have discovered a bizarre-looking exoplanet that defies explanation ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

A massive collision between two asteroid-sized bodies around a nearby star offers a rare look at the violent process of ...

A new discovery has been made using the James Webb Space Telescope, as a lemon-shaped exoplanet has been located, which could ...

A distant exoplanet that shouldn't be there anymore has continued to mystify astronomers with its existence after new evidence disproved a leading theory for its survival. The planet, named 8 Ursae ...

Researchers at the California Institute of Technology (Caltech) have found new evidence that further suggests there is a ninth planet in our solar system. Nicknamed "Planet Nine," researchers said ...

New research may have solved a "deep-rooted mystery" about our solar system and lent credence to the theory that there's a ninth planet chilling beyond Pluto. (Sorry ...

FILE - Artist's concept of a hypothetical planet orbiting far from the Sun. Nicknamed "Planet Nine," researchers said that the most recent data shows something big is able to pull objects from outer ...