The southern resident orca population marked the turn of the year with both heartbreak and hope: the death of a newborn calf ...

Courtship and procreative behavior in many species of elasmobranchs—cartilaginous fish including rays, sawfish, sharks, and skates—may include following and biting. However, there has been little ...

Dave Phillips, a scientist that helped to rewild Keiko, the orca who starred in "Free Willy," is working to help two other ...

The Deepwater Horizon oil spill that began nearly 15 years ago may have had a larger impact on offshore ecosystems than previously thought, recent research suggests.