Muscles believed to be unique to humans have been discovered in several ape species, challenging long-held anthropocentric theories on the origin and evolution of human soft tissues. This questions ...

In his 1863 book Evidence as to Man’s Place in Nature, Thomas Henry Huxley raised hell by arguing that humans weren’t special. Like other animals, he said, humans are a byproduct of evolution, which ...

Human embryos are more muscle-bound than adult humans, new microscope images cataloging early development show. For instance, at seven weeks of gestation, embryonic hands have about 30 muscles. Adults ...