U.S. flag An official website of the United States government.

dot gov icon Official websites use .gov

A .gov website belongs to an official government organization in the United States.

https icon Secure websites use HTTPS

A small lock or https:// means you’ve safely connected to a .gov website. Share sensitive information only on official, secure websites.

Deep Sea Dive

Remotely Operated Vehicles (ROVs) are imaging underwater volcanoes, hydrothermal vents and amazing biodiversity in the deep sea. Watch the videos from this collection to learn more about how NOAA scientists are exploring Earth's last great frontier, and find out how to watch a deep sea expedition live.