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.

By the Numbers: 2025 In Review

In 2025, NOAA Ocean Exploration led and supported expeditions to enable scientific discovery; tested and supported the development of new and emerging technologies; shared our work with a variety of audiences; strengthened our network of partners; and more.

Featured Statistics
339,864 Square Kilometers of Seafloor Mapped
120+ Days at Sea on NOAA Ship Okeanos Explorer
3.2 Million Website Views
600+ Educators Trained

Status: NOAA Ship Okeanos Explorer

From April 29 to May 6, 2026, NOAA Ocean Exploration and partners will shakedown the mapping systems on NOAA Ship Okeanos Explorer off Hawai‘i to ensure they are ready for the 2026 field season.

Plume rising from a smoker on the Inferno hydrothermal sulfide structure.

Featured Favorite

A plume rising from a smoker on the Inferno hydrothermal sulfide structure within the ASHES (Axial Seamount Hydrothermal Emission Study) vent field on Axial Seamount in August 2025. The instrument is a temperature logger that measured fluid temperature inside the smoker.