Global warming is producing a rapid loss of plant species—according to estimates, roughly 600 plant species have died out ...
Records from 500 years ago document floods, famine and death in 16th century Transylvania due to wild weather swings during the Little Ice Age.
Around 50,000 years ago, North America was home to a diverse array of megafauna. Mammoths roamed the tundra, while towering ...
For fossils, wild bison, stunning hiking trails, and tons of history, make a stop at this state park in Kentucky, where you ...