Earth’s Core Has Stopped and May Be Reversing Direction, Study Says

Apollo 11's Buzz Aldrin and new wife over the moon with wedding, 'as excited as eloping teenagers'

Massive health-record review links viral illnesses to brain disease. Study ties common viruses such as flu to Alzheimer’s and other conditions — but the analysis has limitations, researchers warn.

A look back at Lyndon B. Johnson's space legacy, 50 years after his death