Keith’s note: I just learned that my long time friend Bob Phillips has died. Bob was one of the original crew members selected for the Spacelab mission which eventually became SLS-1. He was disqualified a few years after selection for medical reasons but continued to work on the mission. Indeed, if you look at the STS-40 mission patch you will see that the stars representing the crew members forms a […]

Houston, We Have Another Problem: Study Shows that Space Travel is Harmful to the Brain “The possibility that radiation exposure in space may give rise to health problems such as cancer has long been recognized. However, this study shows for the first time that exposure to radiation levels equivalent to a mission to Mars could produce cognitive problems and speed up changes in the brain that are associated with Alzheimer’s […]