A battle between a megalodon and a blue whale sounds thrilling on paper, but in reality, these giants were separated by ...

Whales are one of the largest species in the world. Known for their size, which kind is the biggest whale? This one is 98 feet long.

Blue whales, the Earth's largest animal, have gone silent, a development that has scientists worried about the future of the ...

"It is thought that in the right oceanographic conditions, sounds emitted by blue whales can be heard by other whales up to 1,000 miles away," according to NOAA Fisheries. "Scientists think they use ...

An ancient whale-like animal may be the biggest to have ever lived Dinosaurs were big. Blue whales are bigger. Perucetus colossus might have been bigger still ...

When Anderson arrived, she said she watched four blue whales that were likely feeding on krill in the area. They typically scoop up mega-sized mouthfuls of krill, their food of choice. Krill are teeny ...

When the largest animals on Earth grab a snack, their hearts skip a beat — or sometimes 30. That's what a team of marine biologists found after recording a blue whale's heartbeat for the first ...

The first-ever recording of a blue whale's heart rate reveals why they win the size game -- and why they aren't even *bigger*.

If you haven’t heard by now, there’s some good ocean news breaking lately: Blue whales, the largest creatures ever to live on Planet Earth, are making a comeback off the coast of California ...