Recent research shows that a mouse-sized mammal can grow into giants like elephants after 24 million generations.
British scientists found a 165-million-year-old fossil skeleton of an animal in the Jurassic family of the plesiosaur, which is huge in size and many features never seen before.
Fossil skeleton of Jurassic sea monster found in Cambridgeshire, England, most likely belongs to a new long-necked dinosaur.
Early birds 100 million years ago gave up the long bone tail in exchange for flexible legs and evolutionary advantages.
Kevan Sheehan (68), living in Osmingtton (England), collected fossil bones from this animal for five years from the first fossil bone fragments.