Archaeologists working in Europe have found the oldest-known bone spear in Europe, dating back to the Neanderthal age between ...

Radiocarbon dating confirmed their age, ranging from 5,440 to 5,950 years old. The trees were discovered 180 meters above the current tree line, suggesting that when they were alive, temperatures ...

Beneath melting ice in Wyoming’s Beartooth Plateau, scientists uncovered a 5,900-year-old forest ... preserved for nearly 6,000 years, were found 180 meters above today’s tree line, proving ...