Researchers used DNA evidence to confirm orcas killed a 15-foot great white shark discovered mangled on an Australian beach.

Over a year after a dead 15-foot shark was found with mysterious bite wounds and stripped of its internal organs, DNA ...

But while playing catch with a dead porpoise could be a form of play ... and many other violent incidents. For instance, a SeaWorld orca named "Tilikum" was involved in three human deaths.

The stories of salmon and orcas in the Pacific Northwest are linked. Their paths intermingle in a vast web of ecosystems and ...

One explanation is that they have been given the name “killer” or “killer whale” because unbelievable quantities of devoured animals have been found in stranded or dead killer whales ... the larger ...

The dorsal fin of the orca known as J35, or Tahlequah, is seen above the ocean surface as she pushes her dead newborn calf, J61, with her snout on Jan. 1. (NOAA Fisheries) Researchers expressed ...

NOAA Fisheries West Coast An orca whale mother has kept her dead calf by her side for at least 11 days. Tahlequah (who is also known as her alpha-numeric designation, J35) previously made ...

Mother orca Tahlequah is continuing to carry her burden of grief: a dead calf that she now has been refusing to let go of for at least 11 days. Tahlequah is the orca whose story shocked the world ...

SeaWorld announced it will build new, larger habitats for its Orca whales. The announcement comes after the company on Wednesday saw its shares fall more than 30 percent as it faces ...

An endangered Pacific Northwest orca that made global headlines in 2018 for carrying her dead calf for more than two weeks is doing so once again after the death of her new calf, another sign of ...

An orca who made headlines in 2018 after she carried her dead calf for more than two weeks was again spotted carrying the body of her newborn, just days after researchers confirmed she'd given birth.