animals Incredible dolphin with thumbs spotted in the Ionian Sea (video) David Pescovitz

Nature Fantastic footage of the biggest dolphin megapod ever caught on camera (video) David Pescovitz

biology This freaky monstrosity from the deepest sea turned up on a California beach David Pescovitz

geology The ocean's salt could blanket the Earth's land surface in a whopping 500-foot layer Mark Frauenfelder

Weird Scientists still unable to identify bizarre golden egg found at the bottom of the ocean David Pescovitz

Weird Bizarre golden egg found at the bottom of the ocean confounds scientists David Pescovitz

oceanography Computer-generated videos of 10 largest tsunamis Elías Villoro

Delightful Creatures Scientists spot adorable sea creatures in uncharted waters of the Indian Ocean Jennifer Sandlin

animals How sea turtles can help detect cyclones Thom Dunn

animals Seals wearing sensor hats help researchers study the oceans David Pescovitz

animals Gorgeous footage of the rarely seen Giant Phantom Jellyfish David Pescovitz

Science Building the world's biggest and deepest swimming pool… for science! David Pescovitz

Science Explorers revisit a whale carcass one year later Andrea James

Science Scientists revive 100-million-year-old microbes buried in the ocean floor David Pescovitz

environmentalism Fabien Cousteau unveils design for undersea "space station" Andrea James

Science Scientists have mapped 20 percent of the ocean floor David Pescovitz

Science How do you count more than 60,000 sea turtles? David Pescovitz

oceans Mermaid or beluga whale? David Pescovitz

Science See a fantastically strange red seadragon on video for the first time David Pescovitz