The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

From back pain to wisdom teeth, many of the human body's common problems exist because evolution builds on old designs, a new ...

The water-to-land transition stands as one of the most significant events in vertebrate evolution, giving rise to the two major groups of living land vertebrates—amniotes and lissamphibians—which ...

Selena Gomez has no interest in comparing her current body to her past self. “Today, I realized I will never look like this again,” Gomez, 31, captioned a bikini photo from 2013 via her Instagram ...

Body size stands as one of the most influential traits in the history of life, affecting physiology, ecology and evolutionary trajectories. In paleobiological systems, the study of size evolution ...

Cat Bohannon’s new book, Eve: How The Female Body Drove 200 Million Years of Human Evolution, opens with a fact so thoroughly detached from beauty myths and the beauty industry that it makes every ...

Veins in Lee Franco’s temples and along his biceps bulged as he lifted a 25-pound weight to his chest. He grimaced under the load, but knew if he dropped the dumbbell, no one at the gym would laugh or ...