First daughters have been carrying out the duties of "first lady" ever since the term was coined. And they've been doing it with style.

Secret power, long-held grudges, and lots of love in the West Wing.

Nine notebooks forgotten in a dusty box have uncovered the identity of Detective X, the crime-fighting forensic genius of the 1930s.

Since the 1980s, Jamel Shabazz has captured the stark vibrancy of New York City streets like no other photographer ever has.

Candid Hitler photos auctioned, infant remains unearthed in Ireland, exhumed Black Death victims found holding hands, suspected Nazi faces extradition, colonial burial ground discovered.

31 apocalyptic photos of American pollution in the 1970s.

Africa lost 30 percent of its elephants to illegal poaching between 2007 and 2014. Drones may be the solution.

Authorities allege that Michael Karkoc burned down Polish villages and ordered the slaughter of civilians.

A British research vessel named Boaty McBoatface via online voting will soon set out on its first mission underneath Antarctica.

Archaeologists have discovered a colossal buried statue of Ramses the Great.