After an unexpected nine-month mission, NASA astronauts have finally returned to Earth. But their return is only the beginning, as scientists say their bodies could have undergone dramatic changes, and the road to recovery will be grueling.Experts revealed the stunning rigors the human body undergoes during prolonged space travel — from developing “chicken legs” and weakened bones to changes in eyesight and even increased radiation exposure.

Now, two NASA astronauts must retrain their bodies to walk, rebuild their strength, and readjust to gravity after spending nearly a year in microgravity. Their story has captivated many, but what happens next may be just as fascinating.As their mission stretched far beyond its original timeline, their story became a household one across America. The astronauts gave interviews from space, sharing updates on their experience.