A peachy orange baby killer whale was spotted bouncing and rolling in waters off Washington, a nonprofit said. A pod of the ...

Some baleen whale species are capable of evading orcas — their only known predators — by using stealth-like communication, according to new research. Specifically, the marine mammals can sing at ...

The newest member in the J Pod of the Southern Resident killer whales, calf J62, has been confirmed as a female by the Center ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

For a deep dive into orca behavior, "Expedition Killer Whale" packs stunning footage into a fascinating hour-long documentary, and we have all the details here on how to watch it. How to watch ...

Orcas, or killer whales, also adopted a bizarre behavior during this time that could only be described as a fad—balancing dead salmon on their heads like aquatic hats. Just as quickly as this ...

Image by Far Out Ocean Research Collective. A pod of false killer whales off the coast of New Zealand. False killer whales are a fascinating species that we still have much to learn about.

The islands have long been a popular destination for bird-watchers, but now two particular species are attracting growing audiences – orcas and otters. Orcas, or killer whales, are being spotted ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...