"Star Trek" has always been at the forefront of social commentary and never afraid of tough topics, but these 10 episodes ...

For more than three decades, Ötzi the Iceman has been a kind of time capsule for researchers—an Alpine body preserved so well that it keeps producing scientific “firsts.” Now, a new analysis suggests ...

A 14,400-year-old wolf puppy’s last meal is shedding light on the last days of one of the Ice Age’s most iconic megafauna ...

The Trump administration’s assaults on liberty are the kinds of abuses that spurred the American revolution that the nation will commemorate this year ...