Scientists from Argentina, the UK, and Germany recently find a new species of pterosaurs from the Patagonia region of South America.
Pterosaurs are flying reptiles...
In the Jurassic and Cretaceous, damsel-dragonflies widely existed in Europe (e.g., Germany, Spain, England, and France).
So far, only two damsel-dragonflies have been found from...
How dinosaurs were extinct 66 million years ago remains a question.
One theory is that an asteroid smashed into the Earth, which caused dramatic climate...