Some of the most stunning natural wonders sit quietly just beyond the reach of crowded parking lots and long entrance lines.

EPA Administrator Lee Zeldin met with local and congressional leaders in San Diego on Thursday to tout the U.S. and Mexico's progress in cleaning up the polluted Tijuana River.

A new event debuted at the Winter Olympics Monday, with one U.S. team competing for a medal. Here's how they did. (AP Photo) ...

Day three of the Milan Cortina Games started with a showdown between China's Eileen Gu and Switzerland's Mathilde Gremaud in the women's freestyle skiing slopestyle event. Ultimately, reigning gold ...