Why do some people get rashes in space? There's a clue in astronaut blood
Health
1 year ago
Astronauts are supposed to be in excellent health. It's part of the job description. They quarantine...
outer space
Planning for a space mission to last more than 50 years
Technology
3 years ago
In 1977, NASA sent out two Voyager probes to study Jupiter and Saturn. The spacecrafts were designed...