Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Tourists on a whale-watching boat off Australia witnessed five families of killer whales attack 150-ton mammal.

A survey crew that has spent the past five years tracking whale locations just had their first orca sighting -- off the coast of Kitty Hawk, North Carolina.

Australian authorities have confirmed that 67 of the 157 false killer whales stranded on a remote ... on the west coast at Macquarie Harbor. The largest mass-stranding in Australian history ...

Despite their name, false killer whales are one of the largest members of the dolphin family. Department liaison officer Brendon Clark said the stranding was the first by false killer whales in ...

Despite their name, killer whales — or orcas — are not whales ... about five times heavier than a human brain — making it the largest brain of any known animal. Whales are mammals ...