Three decades of data from UK harbour porpoises show mercury is still increasing despite a global treaty to reduce it.

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer ...

In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the ...

Charvet Drucker's shutter rang out in her ears as she observed what she thought were the seal's last moments of life.

Marine mammals, as critical sentinel species, reflect the health of our marine ecosystems. However, these remarkable ...

Draft legislation aims to amend the Marine Mammal Protection Act, potentially easing restrictions on species protection.

The killer whales ripped the liver out of a shark and passed it around—only the second time orcas have been seen engaging in ...

Efforts to get a stranded humpback whale back into the ocean on Nov. 17 have failed, leaving wildlife officials with limited ...

Debi Derryberry recalled what it was like to film the scene in which the orca rescues the film's protagonist, a 12-year-old ...

A humpback whale that spent the weekend trapped in fishing nets and then stranded on shore near Yachats was still breathing ...

On Nov. 2, Orca Channel, a tour company that researches and captures media of Arctic wildlife, shared in a Facebook post that ...

So many people had shown up that Oregon State Police and other officials were asking people to avoid the area.