The world sees in the progress of artificial intelligence up to this point a transformative inflection point in history.

This Florida river felt like stepping into a time machine. Every scoop of gravel revealed bones, teeth, and fossils from Ice Age animals that roamed here more than 10,000 years ago. Mammoths, ...

In this episode, we rank the largest land mammals to have ever existed using estimated maximum weights, comparing each giant to modern animals to keep the scale clear. We travel from Australia’s ...