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

After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each mortality has a story to tell.' ...

British scientists are hoping to monitor Antarctic krill from space as the species faces growing threats from climate change and overfishing.

Find how Ms. Blue, the 87-foot-long blue whale skeleton, at UC Santa Cruz Seymour Marine Discovery Center is being carefully ...

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.

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.

A new immersive art installation highlights the effects humans have on ocean ecosystems, and whales in particular.

Eleven Democratic states on Thursday issued a statement criticizing the "vague" threats from the Trump administration related to possible prosecutions for not complying with immigration enforcement.

Gem businessman Thushara Perera said he has been facing political threats over a special blue sapphire which he received in 2017 and is valued at over USD 400 million. This gem is a 350-carat blue ...