The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The Isthmus of Panama formed, connecting North and South America, and the ...

A new international study highlights the severity of climate change impacts across African mountains, how farmers are ...

For those of you that wish to get more out of your birding, you’re going to want to carry “Habitats of North America: A Field Guide for Birders, Naturalists, and ...