The La Venta fossil site in Colombia is home to a rich fossil record, yielding a particularly diverse set of vertebrate ...

The discovery, in a bizarre animal not closely related to birds, could change how scientists think about the origin of ...

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was ...

A 247-million-year-old fossil reptile boasted an enormous crest on its back made from feather-like appendages, long before the appearance of feathered dinosaurs ...

While employers must consider accommodations for qualified individuals with disabilities, they do not need to guess about an employee’s condition ...