Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...

"But walking around we could clearly tell there were other units between the white ashfall layers [of the Lava Creek Tuff].

You can see and count summer and winter layers in the ice, but they only go back 30,000 years. Anything older is too compressed. And if it didn’t snow, that won’t show up in the visual record. The ...

Every fall for years, Deborah McCullough and her husband fished salmon from Western Michigan’s Betsie River. “It’s a little river, and it was shaded, and you knew there was going to be big salmon in ...