Hamilton's rule, introduced in the 1960s, says that altruism—helping others at your own expense—can evolve when the benefits ...

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time ...

A new trick for modeling molecules with quantum accuracy takes a step toward revealing the equation at the center of a ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She ...