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Ever wonder why baleen whales became so colossal? Scientists have a theory.

The NOAA ship *Oscar Elton Sette* is on a 24-day research expedition to monitor, study and help the endangered species.

This vacuum-like device may be the key to defeating invasive lionfish.

41 humpbacks have washed ashore from Maine to North Carolina since 2016; NOAA orders a probe into their deaths.

For more than 20 years, Georgienne Bradley has been the motivating force behind countless initiatives to protect the world’s oceans through marine conservation.

Nekton, whose mission is to explore and research the deep ocean, has launched a short video to highlight its partnership with a team of technical scuba divers.

Oceana campaign seeks donations to help; decline in sardine fishery being blamed.

It's illegal to fish for them off the U.S., but the sharks sometimes get caught as bycatch.