Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or ...

This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest freshwater giant.

Nuclear explosions can have far-reaching consequences on the environment and people surrounding a detonation site. After a nuclear weapon test, for example, particles and gases from an explosion ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...

The shells of chelonians—think turtles, tortoises, and sea turtles—grow in layers, keeping a time-stamped record of environmental conditions. Uranium has shown up in the layers of turtles’ and ...

In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact – although not all turtles are capable of this protective ...

The video authentically showed a leatherback turtle, the largest species in the world. However, it was recorded from a low angle, which made the reptile look bigger than it actually was. This is a ...

What do you think of when you hear the word “tortoise”? The giant tortoises that lumber along like tanks over the Galapagos Islands in the Pacific and the Seychelles in the Indian Ocean? The gopher ...

In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact — although not all turtles are capable of this protective ...