NASA made 10 discoveries after comparing astronaut spending one year in space to his identical twin back on Earth
But it was one trip to the stars back in 2015 that saw NASA focus on the astronauts focused on as twins, with Scott blasted ...
Space.com20hOpinion
New documentary 'Children of the Sky' asks the bold question: Can we raise kids in space? (op-ed)
A new 28-minute film explores the medical, social, political and ethical challenges of parenthood and child-rearing that ...