Add Yahoo as a preferred source to see more of our stories on Google. Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate ...

Add Yahoo as a preferred source to see more of our stories on Google. More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally ...

Killer whales are one of the most widespread animals on the planet. As the ocean’s largest apex predators, they keep marine ...

New research suggests beluga whales can recognize themselves in mirrors, a cognitive ability previously demonstrated in only ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...

Bowhead whales have the greatest life span of any mammal on Earth. They can reach over 200 years in age thanks in part to ...

WASHINGTON, March 13 (Reuters) - Menopause is a rare trait among Earth's species, known to exist in only a few. Humans are one. Killer whales and four other toothed whales are the others. New research ...

Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate species and not just different races. In a study published Wednesday, ...

More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize — at least in name. Charles Melville Scammon submitted a ...