The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals to ...

A popular idea suggests a link between big brains and a rich social life, but octopuses don't fit the pattern, which suggests ...

Some animals do not have red blood like humans. From spiders to octopuses, their copper-rich blue blood helps them survive ...

A research trip to Antarctica uncovered marine life that hadn't been seen before in one of the world's most remote spots.

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

The video outlines U.S. laws that prohibit touching or approaching protected wildlife and explains why enforcement carries ...

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

Scientists have finally solved a decades-old mystery with the first-ever live encounter of a ginkgo-toothed beaked whale.

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Dinosaurs ruled the planet between 230 to 66 million years ago, although many other life forms had evolved well before their ...