About 800 million years ago (mya), before the supercontinent Pangea formed, the Earth was more diverse than classical theory suggests. By reconstructing the tree of life from the evolutionary history ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

This Sentinel 2 satellite photo of Chautauqua Lake shows abundant algal growth in the southern basin and a much clearer northern basin. (image courtesy Jill Singer) Did you know that there is a war ...

A mass extinction is hard enough for Earth’s biosphere to handle, but when you chase it with prolonged oxygen deprivation, the biota ends up with a hangover that can last millions of years. Such was ...