Mount Union regains first place in the Ohio Athletic Conference with a come-from-behind win over Otterbein.

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help planners anticipate future mudflows.

Mount Elbert’s status as the highest peak in Colorado is disguised by its modest yet massive profile. The mountain’s once-jagged contours have been smoothed out by ancient glaciers, a characteristic ...