Hundreds of millions of Americans are presently besieged by a massive arctic blast and winter storm. Luckily for them, it will only be temporary. That wasn't the case 20,000 years ago... Between ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...

Forbes contributors publish independent expert analyses and insights. I roam the world for epic nature, urban areas and road trips. Deep in the woods of central Wisconsin, a lanky man with a long ...