Discoveries: Space sheep

Colorado State University, NASA and a herd of sheep have teamed up to make human space travel safer.

The federal space agency hopes to send astronauts to Mars by 2030, but it needs more information about the impact of weightlessness on the body first. Christopher Puttlitz, associate professor of mechanical engineering and head of the CSU research team, is responsible for landing a $1.2 million grant from NASA to fund the study.

“It is estimated that it could take anywhere from nine to 12 months to travel to Mars and back depending how long [the astronauts] stay when…