This article originally published at Iconic Texas swimming hole inches toward 4-year closure anniversary.

MBARI shares footage, which altogether documents 11 million scientific observations, to raise awareness about underwater ...

Archaeologists have found a prehistoric human skeleton deep inside a flooded cave system on Mexico’s Caribbean coast ...

An 8,000-year-old skeleton discovered deep within a flooded cave system on Mexico's Caribbean coast is shedding new light on the prehistoric inhabitants of the Yucatán Peninsula. The remains, found by ...

In this handout photo provided by the National Institute of Anthropology and History, underwater archaeologist Octavio del ...

Researchers from the University of Delaware’s College of Earth, Ocean and Environment helped lead the charge of underwater ...

The deep sea is a dark, cold place. It's just a few degrees above freezing, subject to immense pressure, and beyond the reach ...

Mississippi's deepest lake offers fishing, swimming, and boating. Here's where to go, what to do and why it's unique ...

More than 7,900 entries were submitted to the competition, with stunning images featuring seal pups, a sunken ship, shrimp and sharks.

At 280 feet deep, Minnesota's second-deepest natural lake is a recreational hot spot for camping, swimming, and canoeing in the Boundary Waters.

The scientists examined the lineages of two groups of bivalves—marine invertebrates that include clams, oysters, mussels, and scallops—that successfully inhabit the deep sea. They found that some ...

From clownfish to a California newt, here are some of the images to make the cut in the Underwater Photographer of the Year contest – including the stunningly cute overall winner ...