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 ...

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 ...

About five to 10 million years ago, giant turtles that dwarfed humans roamed freshwater swamps in South America. Researchers have uncovered shells belonging to Stupendemys geographicus, the largest ...

Loggerhead Marinelife Center researchers spotted a large leatherback turtle named Bootes nesting on Juno Beach Thursday night. Weighing in at 1,000 pounds, she is one of the biggest leatherback ...

The giant South American river turtle, also known as the Arrau turtle, is a threatened species native to freshwater lakes and rivers in the rivers and lakes in the Amazon and Orinoco basins. “We ...

The largest sea turtle in the world doesn’t have a hard shell. Instead, the leatherback turtle has a tough, rubbery skin, according to the National Oceanic and Atmospheric Administration. These ocean ...

A team of researchers from India have worked to solve a mystery about one of the world's biggest turtles: what happens when green turtles run out of seagrass to graze? Green turtles (Chelonia mydas), ...