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.

In the Field: 2026

NOAA Ocean Exploration works with partners to explore previously unknown areas of our ocean, making discoveries of scientific, economic, and cultural value and supporting innovations in exploration tools and capabilities. In 2026, we will lead and support expeditions and fieldwork in the Pacific Ocean, Caribbean Sea, and Lake Michigan.

Featured 2025 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
NOAA Ship Okeanos Explorer in port in Honolulu, Hawai‘i,

Status: NOAA Ship Okeanos Explorer

From July 19 to August 13, NOAA Ocean Exploration, the Cook Islands Seabed Minerals Authority, and partners will conduct mapping and remotely operated vehicle operations on NOAA Ship Okeanos Explorer to increase our understanding of the seafloor and water column in the deep waters of the Cook Islands and to better characterize the resources and ecosystems they hold.

A lacey siphonophore against the dark ocean background.

Featured Favorite

A lacey siphonophore (Erenna laciniata) observed on the eighth dive of the Papahānaumokuākea ROV and Mapping expedition. This observation was made at 901 meters (2,955 feet) depth. This species preys on fish using stinging cells hosted on stinging zooids (right).