A Microbe Hunter Plies Her Trade In Space

NASA astronaut Kate Rubins floats in the International Space Station in September 2016, wearing a spacesuit decorated by patients recovering at the MD Anderson Cancer Center.

Meet Kate Rubins, a virus-hunter turned astronaut. When she sequenced DNA in space for the first time, she opened the door to a new era in space biology.

(Image credit: NASA Johnson/Flickr)