A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

While its beauty and fame as one of the oldest national parks in the U.S. are deserved, it comes with downsides. During peak season, Yellowstone visitors face congested trails, jam-packed campsites, ...

It officially feels like summer. At least, that’s what I thought to myself on Wednesday morning while hiking at Rice Canyon ...