Simulations of Earth’s climate 252 million years ago reveal that the same symptoms of modern climate change likely account for the time period’s extensive loss of marine life.

Hurricane Florence reshaped the shoreline near Beaufort, North Carolina.

PCBs persist in the environment and accumulate in killer whales, driving their numbers down.

The 600-meter-long structure will tackle the Great Pacific Garbage Patch—a huge buildup of trash floating between California and Hawaii—but not everyone thinks it will work.

Scientists who designed a marine robot to survey ocean life were inspired by eel larvae.

An analysis of 15 types of stressors finds humans are heavily affecting most sea areas.

With samples taken from the crust of the Mid-Atlantic Ridge, researchers have discovered where some of the oceans’ dissolved organic carbon winds up.

The Challenger expedition's data on ocean temperatures and currents, seawater chemistry, life in the deep sea, and the geology of the seafloor spurred the rise of modern oceanography.

As the only woman who has piloted the deep-ocean research submersible Alvin, Van Dover is among the few researchers to have explored hydrothermal vents firsthand.