After 9 months in space, mouse sperm yield healthy mice

CAPE CANAVERAL, Fla. — After nine months in space, mouse sperm has yielded healthy mice, Japanese scientists reported Monday. The freeze-dried sperm samples were launched in 2013 to the International Space Station and returned to Earth in 2014. The intense radiation of space caused slight DNA damage to the sperm. Yet, following in vitro fertilization […]