Stone tools found at prehistoric sites seem to have gone through a pair of life cycles: they were produced, used, and then abandoned before being scooped up and utilized again. Recent research proposes an intriguing theory as to why this ...

Scientists discovered the fossil of a 170 million-year-old pterosaur, which they characterize as the world’s best-preserved skeleton of the ancient flying reptile, just on the Isle of Skye in Scotland. According to the National Museum of Scotland, the pterosaur, also ...