Gayle King and Lauren Sánchez are hitting back at "haters" after critiques of their decision to head to space in a rocket by Jeff Bezos' Blue Origin.

CBS host Gayle King defended her 10-minute space flight aboard the Blue Origin rocket on Monday, telling critics there was "nothing frivolous" about it.

Gayle King has responded to backlash over her Blue Origin flight, which saw an all-female crew take an eight-minute trip into space.