An analysis of the interior of a single bone suggests its owner was probably an aquatic or semi-aquatic animal. Since the ...

Are you ready to dive into a saga that will forever change how you see the animal kingdom ... our own skeletons trace back to these ancient aquatic pioneers. Before jaws, vertebrates could ...

Together, these traits make bones heavier, which is useful in aquatic animals because they reduce buoyancy, so it’s easier for the creatures to dive underwater to forage for food. By contrast ...

“You see this in other semiaquatic mammals.” If the assessment is correct, stem monotremes originated as semi-aquatic animals, with echidna bodies slowly evolving to favor a land-based existence, ...

The exception is a strange beast with an elongated beak ... at least 1,500 years—that Loch Ness is home to a mysterious aquatic animal. In Scottish folklore, large animals have been associated ...