Lauren Schroeder has loved dinosaurs since age 3 and bones since she was 10. In her second year of university, she started studying the early evolution of the Homo genus and it turned into her Ph.D.

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An ancient skull dating back 300,000 ...

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 ...