Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...

Rare footage of a bigfin squid captured by a ROV deployed 11,000 feet deep in the Tonga Trench. Credit: Deep Sea Research ...

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

Imagine you’re out for a blissful swim, trying to catch a glimpse of some beautiful whales. The sun is shining, the water feels refreshing, and, uh oh, something just brushed past your leg. Something ...