NASA astronaut Michael Collins drops major alien confession: 'Yes' to life outside Earth

The NASA veteran played a critical role in the first manned Moon landing

alongside colleagues Neil Armstrong and Buzz Aldrin.

After retiring from NASA in 1970, the astronaut has been a vocal supporter of establishing a human presence on Mars. Now, astronaut Michael Collins, 88, has opened up about the ultimate question of are we alone in the universe.

 In an online question and answer session on Twitter, Mr Collins’ 56,600 Twitter followers were given a chance to submit any burning queries they have.