Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Triton was the first submersible to reach the deepest points of all five oceans. Journalist Susan Casey shares her experience ...

RECENT discoveries have identified 866 new marine species, including sharks, lobsters, corals, and deep-sea sponges, as part ...

Tell me if you’ve heard this one before: a volcano scientist who does her work in the middle of the Pacific Ocean—at the ...