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 ...

The curious minds at What If investigate the startling geological anomalies, advanced cartographic knowledge, and ancient ...

SPRINGFIELD, Mo. — Archaeologists from Missouri State University are confirming the existence of a previously unknown ancient civilization hidden deep within the Brazilian Amazon, using advanced ...

Long before European contact, a sprawling, multicultural civilization flourished across the southwestern Amazon. It built massive ceremonial centers and transformed the rainforest. Scientists are only ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...