Scientists reckon it could be the first physical evidence from the day which marked the end of the dinosaurs’ reign on Earth 66 million years ago.
The experts dug up the remains of the herbivore thescelosaurus at the Tanis site in North Dakota, US.
Broadcaster and naturalist Sir David Attenborough who has been filming the dig for the BBC, said: “It was a moment of justification for the whole thing, really.
“This is evidence of the event that caused 75 per cent of species on Earth to disappear.
https://www.thesun.co.uk/tech/18193306/dinosaur-leg-fossil-day-asteroid-extinct/