Exploring the ocean for national benefit

NOAA Ocean Exploration is the only federal program dedicated to exploring the unknown ocean, unlocking its potential through scientific discovery, technological advancements, partnerships, data delivery, and education.

Learn about Ocean Exploration

Dive into ocean exploration by exploring materials such as stories, ocean facts, and images and videos, organized by topic for learners of all ages and levels.

Our Expeditions by the Numbers

NOAA Ocean Exploration coordinates, funds, and conducts expeditions around the globe that feed the essential research and scientific inquiry necessary to understand the features and phenomena of the ocean to support informed resource management decisions.

Featured Statistics
443,304 Square Kilometers of Seafloor Mapped
180+ Days at Sea on NOAA Ship Okeanos Explorer
5.5 Million Website Views
400+ Educators Trained

Status: NOAA Ship Okeanos Explorer

In October, NOAA Ocean Exploration wrapped up operations on NOAA Ship Okeanos Explorer for the 2025 calendar year. We expect to resume operations in the Pacific in April 2026. Keep an eye out for more information!

A large, yellow sponge with an umbrella-like shape attached to the seabed by a long stalk in a dark, deep-sea environment.

Featured Favorite

During Dive 16 of the Papahānaumokuākea ROV and Mapping expedition , a number of large, yellow Bolosoma sponges were observed, some with heads measuring close to a meter in width.