Earth's valleys tell an ancient story of ice and power. Over millions of years, massive glaciers have carved, sculpted, and transformed the landscape in ways that still take researchers' breath away.

"This is why they want to shut down parks." Video of tourist's unbelievable actions on edge of rock formation at national ...

The Salton Sea is hardly natural, and it wasn’t an accident either. Rather, it was the result of a deliberate and prohibited act, complicated by a fatal miscalculation. More on that in a moment.

From roller coaster temperatures to strong winds and snow, the Lehigh Valley has experienced a whole host of weather conditions in its first month of spring. Monday night, a rare cloud formation ...