According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem was exacerbated by our unique form of upright walking since ...

Male birds help their parents less than females because they're too busy scouting for new places to live and breed, a ...

New research suggests Earth’s Moon might have been 'stolen' from elsewhere in the Solar System through gravitational capture, challenging the widely accepted Giant Impact Theory.

I do not want our work to be weaponized,” said Johanna Olson-Kennedy, a doctor involved in the study. “It has to be exactly ...