Experts said the discovery "is one of the most impressive track sites ever seen, in terms of scale" and gives a real ideas of ...
The footprints date back to about 166 million years ago and appear to belong to two distinct types of dinosaurs ...
A worker digging up clay in a southern England limestone quarry noticed unusual bumps that led to the discovery of a "dinosaur highway" and nearly 200 tracks that date back 166 million years ...
Therefore, the asteroid that killed the dinosaurs was probably a carbonaceous chondrite, an ancient space rock that often contains water, clay and organic (carbon-bearing) compounds. While ...