The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, ...

Across the world, different ancient civilizations built similar structures. Could they have been mapping out the stars?

According to ancient Greek texts, this was a land of eternal spring, inhabited by a race of giants who lived for a thousand years without disease or war. They called it Hyperborea, a realm existing ...

Rising abruptly from the lush, untamed jungles of southeastern Venezuela, Mount Roraima is a geological behemoth that defies ...

At its peak, the ancient Indus River Valley civilization featured gridded streets, multistory brick homes, flush toilets and bustling shops. Its people traded gold, precious stones and items such as ...