Pluto’s snow-capped mountains look like they belong on Earth, but researchers have discovered that the snowy tops of these features are actually made of methane frost. These mountains gather snow in a ...

Central Montana’s newest wildlife management area opened to the public for the first time Monday, breaking the lock that once blocked access to tens of thousands of acres of mountain foothills and ...

After shivering through days of heavy rain and snow, I was among millions of people in Southern California rewarded over the weekend when the weather cleared to reveal crisp views of mountains that ...