Sharks come in all shapes and sizes. The minuscule dwarf lantern shark is the smallest shark alive, being smaller than the human hand, according to Smithsonian. The aptly named megamouth can weigh ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists ...

New research suggests that the prehistoric megalodon, the biggest shark known to have existed ... “What sets our study apart from all previous papers on body size and shape estimates of O.