Hidden deep in Colombia’s Amazon rainforest, a vast cliff face covered in ochre figures has turned a remote canyon into one ...

Forbes contributors publish independent expert analyses and insights. Tony Bradley covers the intersection of tech and entertainment. The Ice Age tends to get flattened into a postcard: endless white, ...

The Ice Age world : an introduction to Quaternary history and research with emphasis on North America and northern Europe during the last 2.5 million years / by Bjørn G. Andersen, Harold W. Borns, Jr ...