As the night sky became polluted with light from electrified cities, people built planetariums. Today, they’re more ...

In our polarized political system, what's one thing that Democrats and Republicans have in common? Growing distrust and ...

Fortresses, soldier housing, and roads from Egypt’s Ptolemaic and Roman eras found in Sinai, revealing military life over ...

The ancient Greeks looked to use the four main elements to interpret reality and the world. Empedocles was the proponent of ...