Researchers are using diary entries, travel notes, religious registers, and other primary historical records to better understand extreme climate shifts in Transylvania during the 16th century.

Millions of years ago, giant rhinoceroses roamed the grasslands that stretched from Ukraine to Siberia. One species, ...

Around 50,000 years ago, North America was home to a diverse array of megafauna. Mammoths roamed the tundra, while towering ...