They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be ...

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong ...

Whales are weird. The Cetacea clade contains the largest animal to ever live—the blue whale—as well as other gigantic baleen whales and a diverse array of toothed whales, including dolphins, porpoises ...

But across various blue whale populations, high pregnancy rates of 33–50% annually seem to contradict the average 3.1% rate of sightings of blue whales involving mother-calf pairs.

MR. GERRIT S. MILLER'S paper, “Some o'¦'o¦ hitherto unpublished photographs and measurements of the Blue Whale” (Proc. U.S. Nat. Mus., Vol. 66, pp. 1-4, Pis. i ...