Sediment, corals, and crustaceans, oh, my! Learn how scientists and crew prepare for a three-week research cruise at sea. Get submersed and take a dive with deep-sea robots! Find out how scientists collect and store deep-sea samples like sediment, echinoderms, and microbes.
Watch four videos about a USGS expedition to the Escanaba Trough, in the Pacific Ocean off of northern California.