What is likely a single-mast cargo ship sits in a predominantly saltwater stretch of the river Trave and was first spotted by sonar in 2020.

Eric Bilips, owner of two dive centers on Islamorada, is exploring all 180 miles of the Florida Keys as host of the new show “Destination Dive.”

New discoveries are appearing in the wake of melting mountain ice, shrinking lakes and falling water levels.

Higuera's 20 years documenting life around the Gulf of California and Revillagigedo Islands have substantially contributed to photo-ID databases of animals from manta rays to orcas.

The Ocean Voyages Institute retrieved 211,644 pounds of discarded fishing gear, consumer plastics and other waste—some of which had been floating for decades.

Sixteen new stamps feature the waters and wildlife protected by the National Marine Sanctuary System, including a pufferfish and sand tiger shark.

Sunk in 2019, the old Lockheed Martin L1011 Tristar airplane has become an artificial reef and a world-class dive site.