Light-mapping technology is expediting the pace of archaeological discovery in the dense jungles of central Mexico. The latest find could offer clues about how humans advanced agriculturally.

The top-ranked and two-time defending champion U.S. did just enough to squeak into the knockout round. Portugal dominated possession all game as the U.S. struggled to create offensive chances.

Zaporizhzhian Cossacks are warriors who have been revered for centuries in Ukraine. A family is maintaining the Cossack traditions by training people with swords, maces and their bare hands.

The historic heat began blasting the Southwestern U.S. in June, stretching from Texas across New Mexico and Arizona and into California's desert.