The SpaceX and Tesla pioneer warned, in an interview with The New York Times podcast Sway, that travel to other planets was necessary as Earth would be engulfed by the Sun.
Speaking to host Kara Swisher, Musk said: “I think this is fundamentally important for ensuring the long-term survival of life as we know it, to be a multi-planet species.
“Eventually the Sun is going to expand and engulf Earth. It will expand and incinerate Earth. It is for sure going to happen – but not any time soon.”
This is something of an understatement, as the Sun’s expansion is not predicted to happen for at least seven billion years.
Musk said that becoming a multi-planet species would allow human civilization to dodge extinction events that had affected other species.
He said: “The fossil record does show many extinction events over the millennia, from meteors, from super-volcanos, from natural climate variation”.
Read more: yahoo