On Sept. 26, 2014, dozens of students from a teachers college in the southern Mexican state of Guerrero disappeared.

No. 1 overall draft pick Macklin Celebrini’s first official practice with the San Jose Sharks provided a needed bit of ...

The world map we know today owes its shape to the daring exploits of explorers who ventured into uncharted territories, ...

People in ancient Mesopotamia depended on rivers. But rivers sometime moved, imposing stress on communities. Research shows ...