The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across ...

Although Mexicas favored green obsidian, tool variety shows that multiple obsidian sources supplied the capital via markets, ...

There are San Andreas faults in many places. They happen where two rigid continental masses slide past each other at fairly rapid pace. The San Andreas fault separates (‘connect’ would be the ...

A restive volcano in central Philippines has briefly erupted, spewing a 2.8-mile ash plume and debris into the sky.

There have been at least 73,452,000 reported infections and 1,713,000 reported deaths caused by the novel coronavirus in Latin America and the Caribbean so far. Of every 100 infections last ...