Rising sea temperatures may have played a role in the unusual sighting of the endangered species in Korea's waters.

This story was originally published in The Rundown, an evening newsletter in which reporters break down news on the ...

Hawaiian short-finned pilot whales are surprisingly voracious hunters, diving hundreds of meters beneath the Pacific to snatch squid in the dark. By tagging and tracking eight whales, researchers ...

It’s the largest shark in the world and weighs as much as an F-15 fighter jet, but the whale shark is nothing to be afraid of. Whale sharks are filter feeders and only eat plankton and other small ...