The wreck of the H.M.S. Deal Castle off Puerto Rico, in the hurricane of 1780 with the crew escaping on a raft, by John Thomas Serres

The Dramatic Waves That Sink Ships

Rogue waves are becoming larger and more dangerous. But even long-term studies have not made these waves any easier to predict or avoid.
Coral conservationist Ruth Gates

Remembering Coral Conservationist Ruth Gates

Dr. Ruth Gates worked tirelessly to conserve coral reefs, promoting a controversial idea called assisted evolution.
sargassum seaweed dumped on beach

The Great Seaweed Invasion

In the Caribbean, sargassum deposits have grown to unprecedented sizes, obscuring the sand and turning nearshore waters into seething sargassum soup.
Fishing boat in high seas

Governing Fisheries in the High Seas

Overfishing is a huge problem in international waters. Some suggest a fishing ban. Others stress a shared shift toward cooperation and long-term thinking.
Scuba diver on shipwreck

Do Artificial Reefs Work?

Some authorities are trying to create fish habitats by cleaning old structures and dumping them at sea. But do these artificial reefs really work?
megalodon shark

The Real-Life Meg

One of the many misconceptions about the ancient megalodon is that it was an extinct, larger ancestor of the great white shark.
Sea bass

Will Fish Lose Their Sense of Smell in Acidic Oceans?

Increasing levels of dissolved CO2 disrupt fish’s olfactory skills, study finds.
Underwater view of two technical divers using rebreathers device to locate shipwreck, Lombok, Indonesia

The Science Behind Decompression Sickness

Deep-sea divers now know how to avoid "the bends." But decompression still poses a problem when studying marine organisms from the deep.
seagrass in blue ocean

Why We Need Seagrass

Seagrass meadows are habitats for a variety of marine life, and a vital link between land and sea. But these crucial plants are increasingly under threat.
Whaling painting

Did North America’s Longest Painting Inspire Moby-Dick?

Herman Melville likely saw the panorama “Whaling Voyage,” which records the sinking of the whaler Essex, while staying in Boston in 1849.