"The Secret History of Sharks" author John Long met with Live Science to discuss his new book, recent revelations about ...
Scorpions shed their skin as they grow, so fossils of both the skin and the animal itself have been found. Helicoprion, a shark-like fish alive during the Permian (290 million years ago), had a rather ...
Evolving techniques and data indicate some ancient giants like Dunkleosteus and Megalodon may have been smaller than initial estimates suggested.