Researchers from North America and China determined the date and rate of Earth’s most severe mass extinction. A paper in this week’s journal Science provides the findings. About 95 percent of marine life and 70 percent of terrestrial life became extinct during what is known as the end-Permian, a time when continents were all one land mass called Pangea. The environment ranged from desert to lush forest. Four-limbed vertebrates were becoming...
Geology News
