From ancient Rome to Napoleon’s Paris, the triumphal arch has long memorialised imperial dreams. Is Donald Trump on track to ...

Many historians assume that these ancient “bone skates” were utilitarian devices, used for fast transit along frozen rivers ...

Two artifacts found at a lake shore in Greece are the oldest wooden tools to be uncovered so far and date back 430,000 years. One is a spindly stick about ...

Discover how the 1870s transformed American agriculture with horsepower, silos, deep well drilling, and barbed wire fencing—revolutionizing ...

Earth is covered with technofossils, or man-made materials, that will last for centuries and maybe even longer.