Seashells tend to appear quietly. After the tide pulls back, they are just there, mixed into the sand, sometimes whole, sometimes worn thin. They do not look like remains at first. More like leftovers ...

Researchers at the University of Miami’s Rosenstiel School have developed a method to read the chemical layers inside sea turtle shells like a biological stopwatch, reconstructing years of an animal’s ...

The biggest turtle ever described wasn’t an ancestor of today’s leatherback turtles or any other living sea turtles. But it looks like there are some things about being a giant, skin-shelled sea ...