Skilled hunters adapted to the changing landscape and left tantalizing clues to who they were.
Archaeologist Bernard Frischer spent decades uploading the ruins of the Eternal City to the cloud. Here’s what it looks like.
Teller and Sagan debated fiercely over nuclear proliferation. But was the conflict as personal as it was intellectual for Teller?
When battles raged in ancient cities, their rocks blazed so brightly that they could be reoriented according to Earth's magnetic field.
Along with obsidian that dazzled scientists in Canada.
Meet the people paid to rouse the workers of industrial Britain.
A sober look at a wild conspiracy theory that argues the Middle Ages never happened.
The Parthenon embodies the ideals of perfection Classical Greeks sought from architecture. The neighboring Erechtheion offers something else.