Astronomers have long been intrigued by the makeup of the asteroid belt’s largest body. When it was first spotted in 1801, Ceres appeared dry and rocky, its surface marked by craters and dents. For ...

A distant planet cloaked in clouds may be hiding a vast alien ocean beneath its surface. This video explores the shocking discovery of a “Hycean” world and what it could mean for extraterrestrial life ...

Moons and asteroids with a global ocean are tending to become relatively common objects in the Solar System. There have been at least nine and now ten with Saturn’s tiny (250 mile across Mimas). Give ...

A planet relatively close to Earth could be the first ever detected with a potentially life-sustaining liquid ocean outside our Solar System, according to scientists using the James Webb space ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A key chemical building block of life ...

There are five oceans recognized in the world, with the Southern Ocean being the most recent. While COVID had our attention, agencies around the world were setting boundaries and officially ...