Speaking of dinosaurs, a plesiosaur lived at Red Rocks. Or it died there, anyway, as the forty-foot fossil it left behind proves. But isn’t it nicer to envision a big ol’ long-necked aquatic ...

While preparing to build a power substation next to a Utah residential subdivision, a prehistoric field of dinosaur and other ...

Just 1.5 hours from the city of Bend, tucked away in Eastern Oregon, is the John Day Fossil Beds National Monument.

Numerical ages estimate the date of a geological event and can sometimes reveal quite precisely when a fossil species existed in time. Third, magnetism in rocks can be used to estimate the age of ...