In Space, NASA Heard Astronaut’s Immune System Scream

Results from a unique NASA study are raising new questions for doctors as the space agency aims to send people to Mars.

  • Published 15 February 2019

WASHINGTON (AP) — Nearly a year in space put astronaut Scott Kelly's immune system on high alert and changed the activity of some of his genes compared to his Earth-bound identical twin. Scientists don't know if the changes were good or bad, but results from a unique NASA twins study are raising new questions for doctors as the space agency aims to send people to Mars. Tests of the genetic doubles gave scientists a never-before… Read at AP News