Blubber is a thick layer of fat found under the skin of modern marine mammals such as whales. Its discovery in this ancient "sea monster" - an ichthyosaur - appears to confirm the animal was warm ...

For the first time, tiny bits of plastic have been found in body tissue of Pacific walruses, lodged in the animals’ muscles, ...

Tardigrades, also known as "water bears," can survive severe temperatures, by entering a state of cryptobiosis. The fennec fox is native to the Sahara Desert and has enormous ears that radiate heat, ...