A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

The 2020 Underwater Photographer of the Year contest (UPY) has just crowned its winners. More than 5,500 images were ...

New D&D players often underestimate these 5 monster types, leading to disastrous consequences. Learn which creatures to ...

"We care about our country." Experts issue warning as harmful creatures spread into new territory: 'Prevention is better than ...

The strange creatures that dwell in the deepest depths of the Earth’s oceans could provide many ideas for a budding science ...

Tiny animals like oysters, mussels, zooplankton, and insect larvae filter debris and algae to keep lakes, rivers, and seas clear.

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, things shifted; suddenly black fins, white tails and entire submarinelike ...

As temperatures drop below freezing across New England, an unlikely animal is also in need of a little warmth this winter. Mystic Aquarium said it recently received more than a dozen cold-stunned sea ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

The brilliant iridescent hues found in ammolite come from tiny air gaps in the fossils’ layers, a new study finds. By Alexa Robles-Gil Millions of years ago, squid-like creatures called ammonites swam ...

Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that functions, in essence, like an "all-body brain." This is the conclusion of an ...