Live Science reports that bones from one of the smallest human ancestors, who lived two million years ago, were retrieved ...

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

He wrote: "Just found this on a Dutch beach. Looks like a teeth. Does [anybody] know what this is?" Speaking to Newsweek, he ...

Researchers have recorded rig sharks producing clicking sounds by snapping their teeth together, likely as a stress or ...

Researchers in New Zealand found that a small species of shark makes noises with their teeth when touched by humans — and now ...