Uturuncu has been called a zombie volcano. This means that, "despite being technically dead," the volcano "shows signs of ...

We know this for a fact: For the first time, direct chemical evidence of these drugs has been found, in residual traces left ...

From snow-dusted giants to jagged, untamed ridgelines, these are the most breathtaking mountain ranges across the globe worth ...

The largest mountain range, by far, is known as the mid-ocean range system and the vast majority of it is under the ocean.