Civilizations from Stone Age Scotland to the eighth-century Maya to 13th-century African empires have used dry stone walling ...

This is the first part of a series on the Asian mountain range where the continent's main rivers, vital to the survival of ...

People from North Florida to North Carolina reported a bright streak and fireball across the sky Thursday. Here's what to ...

Visitors to Lower Calf Creek Falls at Grand Staircase-Escalante National Monument had a near miss with falling rocks that was ...