In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

It has stopped snowing in the Himalayas. As a result, the water supply two billion people is under threat. The mountain range ...

A freak weather event in one of the world’s most densely-populated areas is threatening two billion lives. It has stopped snowing in the Himalayas. As a result, the water supply two billion people is ...