Some of the scientific groundwork that paved the way for a rebirth of the long-extinct dire wolf took place in Pennsylvania.

With "The Americas," the latest nature documentary to grace our screens, filmmakers have captured two of the most enduring treasures the planet has to offer: stunning natural vistas and the calming ...

Simon Pierce, who has studied whale sharks globally, said he has photographed suspected mating scars on female sharks in St. Helena, probably from when male sharks bit their pectoral fins to hold onto ...