Astronauts have been enjoying a fresh supply vegetables to keep them healthy in space. Two NASA scientists explain how the crop-growing experiments worked.

Astronauts in space recently enjoyed a fresh supply of vegetables, including pak choi plants.  Crews turned them into a delicacy by marinating the leaves in…

Read More Astronauts have been enjoying a fresh supply vegetables to keep them healthy in space. Two NASA scientists explain how the crop-growing experiments worked.