EarthA second asteroid may have struck Earth when the dinosaurs died out A possible impact crater under the sea off West Africa might have been made by a smaller piece that broke off the asteroid that wiped out most dinosaurs News
LifeDinosaurs: The Final Day with David Attenborough review David Attenborough joins palaeontologist Robert DePalma at the Tanis site in North Dakota as he unearths the story of the dinosaurs’ death in this thrilling documentary Culture