A vast slab of rock in central Bolivia has turned out to be one of the most crowded dinosaur thoroughfares ever found, preserving an estimated 18,000 tracks along what was once a shallow coastal lake.

High above the future slopes of the Milan-Cortina Winter Games, a vertical Alpine rock face has turned into an open-air archive of deep time, exposing thousands of dinosaur footprints that had been ...

The catastrophic floods that swept through Central Texas in early July killed more than 130 people and washed away vast amounts of debris — and seem to have also revealed million-year-old dinosaur ...