Researchers have discovered methane-eating microbes inside towering rocks at the bottom of the ocean.
A decades-long quest to save the north Atlantic right whale is helping revive a species that is a bellwether of the health of the oceans.
The 2,000-year-old Antikythera shipwreck in Greece covers a far bigger area than previously thought, say marine archaeologists investigating the site.
The SharkCam, an underwater autonomous vehicle repurposed by Discovery Channel to film great white sharks in their native habitat, became the recipient of a few exploratory chomps by the marine predators.
Chilean devil rays, long thought to keep to shallow waters, actually dive to depths of 6,000 feet, scientists have discovered.
Researchers say a fossilized skull pulled from sandy muck outside Charleston, S.C., is the earliest known member of the whale family to show skeletal evidence for a natural form of sonar.
Researchers say that minuscule traces of radioactive cesium originating from Japan's ill-fated Fukushima Daiichi nuclear power plant have been found in Vancouver.
Near the middle of the Atlantic Ocean, scientists have detected a huge plume of water with iron dissolved in it, an important nutrient for plankton.
The deep-sea canyons off the Northeast coast of the US are largely unexplored. A 36-day expedition currently under way is finding a rich trove of marine life.
Iron fertilizer can help prompt algae blooms, which absorb carbon dioxide and bury it on the ocean floor for centuries, a new study reports.