Tahlequah, the Southern Resident orca who carried her dead calf for 17 days in 2018, is mourning the loss of another newborn, ...

Orcas, or killer whales, are deadly and beautiful apex predators.

The bowhead whale (Balaena mysticetus) is found in the icy waters of the Arctic. These are the longest-living mammals; some ...

Tahlequah, an orca that carried her dead calf for 17 days and more than 1,000 miles in 2018, lost another calf recently and ...