A man is dead after being rescued from a popular Phoenix mountain hiking trail earlier this week. Reports of a hiker “experiencing a medical emergency" were first called in to the local fire ...

Soaring temperatures are leading to rapid and largely irreversible changes in the mountain ranges of the world, according to a new UNESCO report. In several regions, higher elevations seem to be ...

Mountain lion on tree. Image created by Chris Weber with Midjounrey. Situated in San Diego County, this park features extensive hiking trails through mountainous and forested areas. Mountain lions are ...