Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A fisherman is making waves after sharing footage of a bizarre, mystery sea ...

Add Yahoo as a preferred source to see more of our stories on Google. The Rock Pool Project in Plymouth described the non-native species of sea slug as "alien-like" [Kwan Yu Goh] Non-native and rare ...

Astonishing life dwells in the deep sea. An ocean expedition to a dynamic marine realm off the little-explored Chilean coast — with seeps and vents emitting nutrients into the water — has spotted a ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

The head of Bathynomus vaderi resembles the helmet worn by Darth Vader from Star Wars. Nothing epitomizes the mysteries and wonders of ocean life quite like a giant sea bug. Imagine a pale roly-poly ...

FORT LAUDERDALE, Fla. – Researcher Leonid Moroz emerges from a dive off the Florida Keys and gleefully displays a plastic bag holding a creature that shimmers like an opal in the seawater. This ...

Subnautica’s ocean is filled with strange and fascinating alien life. But how realistic are these creatures from a biological perspective? This video explores the ecosystems of planet 4546B and the ...