Neanderthals in two nearby caves used different techniques when butchering animal carcasses in what is now Israel, according ...

Animals display different anatomical bits, each with a large diversity of forms and shapes. ... Moving onto land confronted them with new challenges that led them to evolve new types of body parts.

“How the different body parts of the echinoderms relate to those we see in other animal groups has been a mystery to scientists for as long as we’ve been studying them,” said study coauthor ...

To the Editor: In Lila Guterman’s article “Hope Grows for Replacing Lost Limbs and Outworn Organs” (January 31), Ronald D.G. McKay is quoted as saying that for regeneration biology to ...

When danger strikes, humans usually have two choices — run or fight. But in the wild, some animals have figured out a third, much stranger option: drop part of their own body to survive. It’s ...

This is very different from their bilateral ancestors, which have a left- and right-hand side which mirror one another, as in humans and many other animals. “How the different body parts of the ...

Bristle worms have protrusions that act like a 3D printer, helping us to understand how cells regenerate. Most people will ...

Different genes cause loss of body parts in similar fish ... Losing the pelvis and its spines is "the equivalent of land animals losing their legs," he says.

Some animals, including birds and some rodents, are changing the shape of their body parts to cope with warming temperatures brought on by climate change.