Yet, 70 million years ago, a truly colossal turtle, Archelon, dominated the seas. This magnificent creature, now long extinct, was the largest turtle ever known. It measured 4.6 m (15 ft ...

Leatherbacks are the largest turtles on Earth, growing up to seven feet long and exceeding 2,000 pounds. These reptilian relics are the only remaining representatives of a family of turtles that ...

Weighing up to 700 pounds green turtles are among the largest sea turtles in the world. Their proportionally small head, which is nonretractable, extends from a heart-shaped carapace that measures ...

These turtles were identified as olive ridley turtles, an endangered species that once claimed the largest population of sea turtles on Earth. Why are these creatures washing up? Olive ridley ...