Sulphuric acid clouds caused darkness, cold, killing dinosaurs
It took the climate about 30 years to recover, the scientists found.
Jan 15, 2017, 16:52 PM ISTDinosaurs took months to hatch from eggs — Did long incubation time play a role in their extinction?
Scientists find Dinosaurs eggs hatched slowly like reptiles, not birds.
Jan 04, 2017, 01:27 AM IST