Los Nevados National Park in Colombia is a breathtaking high-altitude region known for its volcanic peaks, rugged ridgelines, ...

When you have looked into western Montana's skies in the past, you may have noticed a fascinating object over the mountains. They commonly look like a stack of ...

Armed with military-grade weapons smuggled from the U.S., the 50-man force is one of dozens of “autodefensa,” or ...

Bolivia is home to nearly a fifth of the world’s tropical glaciers. but they are shrinking at an alarming rate.

Image Credit: Rootsweb / The Chronicle ...

A landmark site in the peopling of the Americas is several thousand years younger than we thought. While that means very different things about the site itself, it doesn’t change the big picture as ...