As far back as the time of the dinosaurs, 66 million years ago, forests recovered from fires in the same manner they do today, according to a researchers. During an expedition in southern Saskatchewan, Canada, the team discovered the first fossil-record evidence of forest fire ecology — the regrowth of plants after a fire — revealing a snapshot of the ecology on earth just before the mass extinction of the dinosaurs. Leer más.

Researchers have discovered the first three-dimensionally preserved pterosaur eggs in China. The eggs were found among dozens, if not hundreds, of pterosaur fossils, representing a new genus and species (Hamipterus tianshanensis). The discovery reveals that the pterosaurs — flying reptiles with wingspans ranging from 25 cm to 12 m — lived together in gregarious colonies. Leer más.