One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest dinosaurs to have ever roamed the planet. That's right: The biggest whale ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.

Mammals are warm-blooded animals that give birth and feed their babies milk. Some of them grow to enormous sizes, both on land and in water. Let’s explore the seven largest ...

Discover 10 lesser-known facts about the blue whale, the largest animal on Earth. Learn about its diet, communication, ...

Find how Ms. Blue, the 87-foot-long blue whale skeleton, at UC Santa Cruz Seymour Marine Discovery Center is being carefully ...