The Pacific Ocean is the largest and deepest ocean basin on Earth, covering more than 155 million square kilometers (60 million square miles) and averaging a depth of 4,000 meters (13,000 feet).

While the Okeanos Explorer is at sea, live video is streamed to shore. This section contains information on how to view the video streaming from the ship and instructions to set up two-way ...

Tentative expedition dates, days at sea (DAS), and port locations for 2027 Explorer-in-Training opportunities are listed below. Participants must be available at least 2–3 days before and after the ...

If you’ve enjoyed any classic books or movies that involve sailing on the open ocean, you might have some preconceived notions of what a voyage lasting many weeks would feel like. Maybe you picture ...

From August 19 to 20, 2026, 40 educators from across American Samoa gathered at the Tauese P.F. Sunia Ocean Center for a two-day professional development workshop focused on deep-sea science and ...

During Dive 07 of the 2026 American Samoa ROV + Mapping Exploration expedition, we observed this large Caulophacus sp. sponge that measured approximately 2 meters (6.5 feet) high and 50 centimeters (1 ...

The workshop was instructed by Isabel (Bel) Halatuituia, Education Coordinator at National Marine Sanctuary of American Samoa, Suraida Nañez-James, NOAA Ocean Exploration workshop facilitator, and ...

During Dive 06 of the 2026 American Samoa ROV + Mapping Exploration expedition, the team collected a small piece of a very tall bamboo coral, likely in the genus Bathygorgia. The coral was observed at ...

The trackline and area of operations for the 2026 Pacific Islands Mapping expedition (EX2604). The inset depicts a close-up of the area around Jarvis Island where extensive bathymetric mapping data ...

On the final day of the 2026 Mapping Shakedown expedition, the expedition team retrieved the remotely operated vehicles (ROV) from the University of Hawai‘i Marine Center in Honolulu Harbor, where ...

Develop state-of-the-art machine learning methods for detection of shipwreck sites from multibeam sonar data collected from surface vessels ...

Covering approximately 70% of Earth’s surface, the ocean is the dominant feature on our planet. Yet, what lies at depth, well beneath the ocean’s glimmering surface, remains largely a mystery. Less ...