Weak magnetic fields once exposed humans to radiation. People adapted with shelter, clothing, and mineral protection. Our first meeting was a bit awkward. One of us is an archaeologist who studies how past peoples interacted Read More
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For thousands of years, Utah’s Great Salt Lake reflected only natural shifts in climate and water flow. But fresh sediment analyses show that in just two centuries, human activity forced the lake into states Read More
In the sunbaked badlands of Arizona’s Petrified Forest, scientists uncovered a tiny jawbone that turned out to be North America’s oldest known pterosaur—a flying reptile that soared the skies over 209 million years Read More