The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young Riley Black - Science Correspondent Fossils ...

The frilled shark, also called the lizard shark (Chlamydoselachus anguineus), is one of the ocean’s most ancient species. Its appearance and primitive features have barely changed since the Cretaceous ...

More than 20 years ago, Jonathan Losos was in the Bahamas pursuing one of his favorite pastimes — catching and measuring anole lizards — when he spotted a familiar reptilian flash on a branch. But ...