Snowpack isn’t what it used to be. Severe drought has set in for portions of western Wyoming river basins, even after decent snow years, due to factors exacerbated by climate change.

The Big Bang is widely considered the starting point of our universe, but what if it is not how it began? A new theory suggested that was something before.

A growing body of evidence suggests she might have survived into old age — which would entirely change the story of America’s ...