Old Thom has been spotted again. A lone killer whale was seen this weekend in a rare orca sighting off the coast of Massachusetts. Donna Piraino was fishing for tuna Sunday afternoon in the Stellwagen ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper social and cultural ...

The legendary killer whale known as “Old Thom” is back. A group on a tuna fishing expedition off Massachusetts over the weekend spotted the well-known orca — leading to plenty of excitement from the ...

SEATTLE — A southern resident killer whale from J pod was spotted Friday pushing a dead calf through the waters of Rosario Strait, a heartbreaking scene that researchers say underscores the fragile ...

LĀNA‘I, Hawai‘i (Island News) -- A heartbreaking discovery off Lāna‘i this week. Researchers with Cascadia Research Collective found an endangered false killer whale severely entangled in marine ...