For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

R esearchers have developed a way to grow human-sized tooth-like tissues in the mouths of pigs – this may be a lot to chew on ...

The toothlike structures represent a step toward bioengineered replacements for dental implants, say researchers behind the ...

For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

One of the donkeys owned by David Donaghey had severely overgrown hooves, was underweight, lame, had laminitis and ulcers to ...

This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.