During the years after the Civil War, America embraced an economic philosophy called laissez-faire, celebrating the notion ...

Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

Study by UChicago, Smithsonian, UK Natural History Museum challenges assumptions about survival after global catastrophe ...

Mass Extinction Killed 85 Percent of Life on Earth 400 Million Years Ago, When Temperatures Dropped Extremely Our world was ...

Now, meet Elizabeth Ann, the black-footed ferret. Scientists have successfully cloned an endangered black-footed ferret, using preserved cells from a long-dead wild animal. This is the first time ...

Scientists believe the Earth has already gone through five mass extinction events, and many fear that we are already in the ...