Legendary astrophysicist Neil deGrasse Tyson shares the view of Tesla founder Elon Musk that AI poses mankind’s “biggest existential crisis”.

Musk made his now-infamous comment during the South by Southwest tech conference in Austin, Texas last year as part of a call for regulation. Musk warned: “I think that’s the single biggest existential crisis that we face and the most pressing one.”

A year later, Neil deGrasse Tyson was asked what he believes to be the...