Covering more than 2 million square miles in South America, the world's biggest tropical rainforest hides lots of scary secrets—and some beautiful ones too A look inside the rainforest The Amazon ...

A young humpback whale made an unusual appearance in Australia’s Sydney Harbor, disrupting traffic and delighting onlookers.

Maui High School students displayed their marine life paintings at a sanctuary, combining art with marine science, under the Artists in the Schools grant initiative.

A massive sea creature was spotted off the coast of California with her baby in a moment deemed a “thrill” for boaters. The ...

This collection of articles about whales in the Pacific Northwest highlights new births and unusual behaviors. One story focuses on a killer whale becoming a first-time mom with a calf spotted in the ...

A team of scientists has documented for the first time how a pod of orcas in Norway work in pairs to enjoy a feast of herring ...