Throughout the history of life on Earth, some species have evolved to incredible sizes. Animals today can reach enormous sizes, such as the biggest polar bear found in the U.S., which outsized the ...

Snapping turtles are large freshwater turtles that are unable to withdraw their head and legs fully into their shells, and so have extremely powerful jaws that they use to defend themselves with by ...

The fossil of an ancient giant sea turtle — estimated to have been as long as a small car — was discovered in Spain, representing the largest marine turtle to have been found in Europe. Until now, the ...