An analysis of changes to global ecosystems has revealed that almost nowhere is untouched by the influence of humanity, with ...

Space changes the human body in many ways. From bone loss to bloated faces, here's how microgravity and radiation affect the ...

Penn State researchers propose that Earth and life have evolved together in a way that is more typical of life-supporting ...

Sunita 'Suni' Williams and Barry 'Butch' Wilmore are headed back to Earth after nine months on the ISS – but their greatest ...

Dr David Jablonski, professor of geophysical sciences at the University of Chicago, joins Jim to talk about what might be ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth.