Things are rough out there, so it's likely you want to unplug from everything going on in the modern world for a bit on vacation. One place you can do that involves a journey far into the past. In ...

Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes.

Every year, something extraordinary happens in Tucson. Beneath the backdrop of rugged mountains and under an impossibly blue sky, the Tucson Gem and Mineral Show transforms the city into a global hub ...