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

Scientists say the crustaceans have developed a visual system based on proteins that help them detect the little light that ...

You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream "Expedition Killer Whale" for free on the PBS website and app, which will ...

A video of the woman approaching the whales was posted to YouTube and later used as evidence in court. The judge ruled it ...