Once prevalent in every ocean except the Arctic and Antarctic, the leatherback population is ... between breeding and feeding areas of any sea turtle, averaging 3,700 miles each way.

As ancient as the dinosaurs, the leatherback sea turtle is something of a dinosaur itself — and the heaviest reptile on the planet. This champion swimmer, whose diving capabilities are unmatched by ...

A 1-square-meter plastic sheet was found inside a dead leatherback sea turtle on a beach in Fukui Prefecture, the largest piece of plastic debris reported ingested by the species, researchers said.

MUROTO, Kochi Prefecture--An endangered leatherback sea turtle found dead in a fishing net in local waters here in June had swallowed two plastic bags, an autopsy of its stomach contents showed.

The leatherback sea turtle is the heavyweight of the sea turtle world ... literally. This sea turtle species can grow as long as a small car and weighing over half a ton! Unlike other sea turtles ...