Why humans will never colonize space

Our dream of life beyond the stars may be thwarted by fertility-sapping cosmic rays, says a NASA biophysicist

Dreams of raising a family in another solar system? Keep dreaming: Some scientists have concluded that humans can't procreate in outer space.
(Image credit: NASA)

Sorry, Stephen Hawking. The astrophysicist's grandiose plan for the human race to leave Earth and colonize the far reaches of space may never come to fruition. Why? Because NASA has discovered that space is "simply not a good place to have sex." Here, a quick guide to our outer-space fertility problem:

Why couldn't humans colonize space?

The Week

Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.

SUBSCRIBE & SAVE
https://cdn.mos.cms.futurecdn.net/flexiimages/jacafc5zvs1692883516.jpg

Sign up for The Week's Free Newsletters

Join more than 350,000 subscribers and keep yourself informed with a selection of The Week’s most interesting, enlightening and entertaining stories - plus daily puzzles.

Join more than 350,000 subscribers and keep yourself informed with a selection of The Week’s most interesting, enlightening and entertaining stories - plus daily puzzles.

Sign up
Latest Videos FromThe Week