Warnings that humanity is heading toward its own disappearance have shifted from the fringes of science fiction into mainstream research and public debate. Instead of vague prophecies, scientists now ...

Very few people live beyond a century. So, if no one had babies anymore, there would probably be no humans left on Earth within 100 years. But first, the population would shrink as older folks died ...

The human species is the ultimate apex predator. We have only existed for 0.007% of Earth's history, yet we have managed to ...