Koala and Curlew, two endangered female North Atlantic right whales have gone off course, perplexing researchers.

Divers off the coast of La Jolla made an extraordinary discovery last week when they spotted the carcass of a baby whale on ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

In rare video footage, a male whale shark has been spotted biting at his female partner during courtship. Before now, we knew very little about the secret sex lives of the world's largest fish ...

While the discovery has excited the diving community, experts caution against amateur attempts to view the whale. "The dive itself is a very advanced dive, so unless you have the right ...