Science news articles about 'largest mass extinction'

... Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history. A paper reporting the results by Gastaldo, South African ...

... theory could be like a jigsaw piece that contributes to solving the puzzle of the largest mass extinction in the history of the earth. "The question as to whether the halogenated gases from the giant ...

... thing happened during the five largest mass extinctions in Earth's history. Each time ... impact – how does that cause species to go extinct? Is it climate change, dust in the atmosphere? It's probably ...