The past has never been more visible. While ancient ruins crumble under the weight of time, weather, and human activity, a ...

At the Tayma Oasis in Saudi Arabia stands a rock split with uncanny precision—so sharp it looks like it was sliced by a laser ...

Scientists dug into paleofeces for a new study, learning some very intimate details about how long-ago people lived.

The ancient Romans were masters of building and engineering, perhaps most famously represented by the aqueducts. Those ...