How Long Do We Have Left on Earth?

From nuclear war to malicious artificial intelligence, there’s a whole bunch of reasons we don’t have long left.


Welcome to DSC Original Content’s biweekly podcast, where we explain a weird, tricky or surprising subject in mere minutes. In this edition, find out how long Professor Stephen Hawking thinks we have left to get off this planet before we go extinct; how many potentially habitable planets are out there for us; and why we’re really going to have to hustle if we want to move to one.