Estimating the feeding habits of corals may offer new insights on resilient reefs

Piranha-like specimen, 150 million years old, is earliest known flesh-eating fish

Life on the floor of the Arctic Ocean, with rigor and in detail

Bacterioplankton: Taking their vitamins

A curious branch of plankton evolution

Satellite tech to create more effective, 'true' shark sanctuaries

Arctic sea ice decline driving ocean phytoplankton farther north

Extensive trade in fish between Egypt and Canaan 3,500 years ago

Sea snail shells dissolve in increasingly acidified oceans

Did mosasaurs hunt like killer whales?

Shrimp talent quest finds a winner

New study helps explain recent scarcity of Bay nettles

Evolutionary 'arms race' -- how dolphins and whales fight disease threats

Polar bears gorged on whales to survive past warm periods; won't suffice as climate warms

'Sentinels of the sea' at risk from changing climate

Increase in plastics waste reaching remote South Atlantic islands

High-res data offer most detailed look yet at trawl fishing footprint around the world

Land-locked Atlantic salmon also use magnetic field to navigate

Getting a grip on the slow but unique evolution of sharks

A copper bullet for tuberculosis

Seagrass meadows in Guam have decreased by 22 percent, new analysis shows

First evidence of fatal infection of white-tailed sea eagles with avian influenza

Green algae, white noise: Gas bubbles produced during photosynthesis 'ring' upon release

Submarines now have soft, robotic arms

Genome of sea lettuce that spawns massive 'green tides' decoded