A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when sealed off from the surface by a thick layer of ice.

When the A-84 iceberg calved in January, it unveiled a 209-square-mile swath of seafloor. Nearby scientists rushed to the ...

The person who found a blue dragon sea slug — whose sting can cause nausea, vomiting, and an allergic skin reaction — and ...

A newly identified parasitic wasp, compared to an “alien” predator, was found entirely by chance. Its ability to infect adult ...

London — The Monday collision between a cargo ship and an oil tanker in the North Sea "has a high risk of being an environmental disaster in really important protected areas," Naomi Tilley ...

An oil tanker and cargo ship collided in the North Sea off the coast of East Yorkshire on Monday morning, forcing crew members to abandon ship. Both vessels burst into flames after the crash about ...

a species of sea slug that looks as though it were dropped into the ocean from outer space. Improbably, the work would prove foundational to our understanding of how humans learn about the world ...

Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then, any one of these creatures ...

Although there are many different kinds of sea slugs, only some can photosynthesize. Even beyond sea slugs, the Elysia chlorotica is the first animal thus far known to photosynthe ...

reveals that this small sea slug is both remarkably heat-tolerant and genetically diverse across its wide range — key traits that make it an ideal partner for climate-resilient coastal restoration. As ...

Researchers at the University of Gothenburg have discovered that what was previously thought to be a unique seaweed species of bladderwrack for the Baltic Sea is in fact a giant clone of common ...