Traveling to and exploring space is an obviously dangerous venture. Astronauts launch with the full knowledge that they may not return, and future missions that stretch farther out into the solar system will be even riskier. Deep-space travel could even cause significant gastrointestinal (GI) damage to astronauts, according to one new study.

Researchers at Georgetown University Medical Center (GUMC) have exposed mice to radiation to simulate how galactic cosmic radiation (GCR) in deep-spa