Like T. rex and some modern sloths, this strange 90 million year old dinosaur had two fingers on each hand. An illustration shows what Duonychus tsogtbaatari might have looked like. Unlike its ...

Godzilla is the face of the MonsterVerse, but there is another iconic cartoon kaiju that could challenge him for the title of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. With distinctive ...