Comparing Native American and Siberian languages suggests a 10,000-year stopover.
Tree-ring data sheds light on climate change's historic and modern impact.
Metal in ancient shipwrecks has value for both historians and scientists.
Survey of Spanish city data reveals patterns of change.
Long ago, life was nasty, brutal and short -- and well organized.
Detritus from the Gold Rush is heading toward America’s food basket.
Joint differences enabled gigantism in dinosaurs.
The small world of science laureates.
A tale of an Indonesian volcano, a monk, and the mass graves of London.
Doubt over claims that we descended from new species and disagreement about how close a cousin it was.