Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries of deep ocean reefs. They’re finding new species — and evidence of both cl ...

By Jill Miranda Baker The agenda included close encounters with sharks, rays, manatees, penguins, sea otters, octopuses, ...

A new analysis of data from NASA’s Cassini spacecraft may upend Titan’s status as an ocean world. But it might still have pockets of water within a slushy ice layer ...

The geology of the ocean floor is truly spectacular — perhaps even more than land geology. Unfortunately, it's really hard to study.

Outer space never fails to remind us just how much we don't know. Astronomers have uncovered a lemon-shaped planet that ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

Data gathered during the Cassini mission was used to create the six infrared views of Titan shown above. They show Titan’s surface as it appears beneath the hazy atmosphere, emphasizing the moon’s ...

Say you want to listen in on a group of super-intelligent aliens whose language you don't understand, and whose spaceship ...