Ancient Martian rivers were not the modest, slow-moving streams that earlier models described. A remote-sensing technique ...
A volcanic ash layer dated to roughly 11,000 years before present has been found sitting stratigraphically beneath the artifacts and organic materials at Chile’s Monte Verde II site, a location long ...
Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice cores—are now being repurposed to help us better understand the lives of modern ...
A hidden freshwater system deep beneath the Great Salt Lake has been revealed using airborne electromagnetic surveys.