A team of marine scientists has brought to light an underwater region whose biodiversity rivals—and in some measures surpasses—that of the Amazon rainforest.

A group that is pioneering underwater sculpture parks as a way to establish human-made coral reefs has deployed its first installation off Miami Beach.

Commercial vessels, particularly fishing boats, are known sources of ocean plastic, losing up to a million tons of plastic ...

DNA in seawater revealed that 93% of fish species live beyond known ranges, exposing major gaps in global marine biodiversity records.

Here, you can snorkel alongside sea turtles, spot dolphins playing off the cliffs at sunrise, and dive into South America's ...

The animal kingdom features a surprising array of swimmers. Even land-dwelling animals can thrive in aquatic environments when necessary.