Researchers carrying out unprecedented efforts to save an ailing killer whale have released live salmon into waters in front of the free-swimming orca...

New way to track millions of genetic variations promises better forecasting of people's risk for heart attacks, four other disorders...

Red tide is killing marine life, hurting tourism and upsetting beach lovers in Florida...

Researchers say an endangered killer whale that drew international attention as she carried her dead calf on her head for more than two weeks is finally back to feeding and frolicking with her pod...

An endangered orca is still clinging to her dead calf as she swims in Northwest waters more than two weeks after her newborn died...

Veterinarians are preparing rare emergency efforts to administer antibiotics to try to save a young emaciated orca that's part of an endangered pod...

Kidneys infected with hepatitis C may help some U.S. patients skip the yearslong transplant waiting list...

A multinational agricultural company based in Idaho has acquired gene editing licensing rights that could one day be used to help farmers produce more crops and make grocery store offerings such as st...

Federal officials are weighing options to save an emaciated endangered orca that includes feeding it live salmon dosed with medicine...

The commission that manages the polar bear population shared by the United States and Russia has increased the quota of bears that can be harvested by subsistence hunters...