Christopher Reeve opening the 1996 Summer Paralympics 30 years ago today in Atlanta, 15 months after the riding accident that almost took his life

Grand Canyon rocks preserve a 1.2-billion-year record of Earth–Moon interactions, allowing scientists to trace how the Moon's orbit and Earth's rotation have evolved over deep time.

How tiny balls of human brain tissue are revealing the causes of childhood epilepsy — and possible treatments

This is the exact point at Disney Land where the magic happens