Scientists Offer New Theory for How ‘the Great Dying’ Wiped Out 90 Percent of Life on Earth
The prevailing theory has been that volcanic activity in the Siberian Traps released massive amounts of carbon dioxide.
Earth as seen by the Apollo 17 crew traveling toward the moon, December 7, 1972. The research underscores the potential of ancient microbial colonies to provide insights into the early evolution of life on Earth. NASA on The Commons, via Wikimedia Commons
