In an interview with Fox News host Jesse Watters, Elon Musk explained why he's so set on sending his Starship rocket to colonize Mars. The Tesla and SpaceX CEO estimated humanity has 450 million years "before it gets so hot that life is impossible.

A 9-foot tall bust of Elon Musk, inspired by the meme “Elon I Drew You / You Are My Hero, Elon,” stands off of Boca Chica Boulevard in Brownsville, Texas, where the tech billionaire is looking to incorporate his first company town. | Photos by Brenda Bazán for POLITICO

Musk pointed out that the sun is projected to run out of energy and turn into a red giant star that will swallow Mercury, Venus and potentially Earth. ‘Mars is life insurance for life collectively,’ he told Fox News ’ Jesse Watters in an interview aired on Monday.