With the end of the ski season looming, Petra has made it in under the wire to become the first known cat to hike and ski ...

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

Within a vast bowl bordered by blue hills, I rolled along on a trail scratched into ice by snowmachines. That deceptive basin ...

An oil company will set up a specially designed rig to drill the first-ever deep wells in the Yukon Flats basin.