Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

Earth is full of giants, but “longest” doesn’t always mean “heaviest” or “biggest-looking.” Some of the longest animals might ...

In a biological twist few believed possible, researchers discovered that the giant discus fish produces a nutrient-rich mucus “milk” to feed its fry — behavior once thought unique to mammals.

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

Sharks have had a tough time since the 1970s, when overfishing, habitat loss and a growing trade in their fins began to cut ...

There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are ...

Fifty-nine Christmases ago, 10-year-old Andrew Penniket unwrapped a snorkel, mask and flippers. It was a transformative gift.

This is a bird with an image problem. Bald, unsexy, it is harder to love than, say, the imperious tiger. Yet we depend on the ...

Governments agreed to ban or restrict international trade in shark meat, fins and other products for more than 70 species ...

Dams also don’t have to fail to be dangerous. At U.S. low-head dams, many only a few feet tall, some 1,400 people have drowned because of the unseen and unsafe hydraulics that these dams produce. The ...

Last year, they were hit with a deadly virus. The year before that, starvation. What will this breeding season bring for the ...