Ozone depletion behind largest mass extinction ever: Study
Destruction of the ozone layer may have contributed to the largest mass extinction in the history of Earth, known as the End-Permian Extinction, a study has found.
Aug 28, 2018, 14:26 PM IST'Great Dying' was followed by more extinctions
The researchers said that the extinction events were linked to climate change caused by massive volcanic activity.
Mar 16, 2017, 20:53 PM IST