A sprawling Maya city hidden for centuries beneath thick jungle in southeastern Mexico has been uncovered by accident, ...

The discovery at the Maya site of Ucanal in Guatemala “marked a public dismantling of an old regime”—a rather pivotal moment ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

Discovered in the ruins of Tikal, the altar sheds light on strained relations between the Maya city and Teotihuacán—which was located more than 600 miles away ...

A series of small earthquakes has been detected beneath a U.S. volcano that has been showing increasing signs of activity in recent weeks. The study allowed scientists to create the largest functional ...

A young cave guide leading a cave researcher on a mapping project discovered ancient artifacts in a hidden room ... and she ...