Ancient whodunit may be solved: The microbes did it!
Methane-producing microbes may be responsible for the largest mass extinction in Earth’s history.
A possible cause of the end-Permian mass extinction: Lemon juice?
MIT researchers find that rain as acidic as lemon juice may have contributed to massive die-offs on land 252 million years ago.
An eruption-fueled extinction?
Enormous volcanic eruptions may have triggered the worst extinction in Earth’s history.