This is an update of earlier versions of this story. Marking the 86th anniversary of the historic broadcast, 97.9 WHAV airs ...

This is because of the radiation that has been raining down on Mars for millions of years, which would likely have sterilized any exposed Martian microbes. Earth is protected from much of the ...

Lacking a protective ozone shield, the Martian surface faces a barrage of solar radiation even below the surface, about 30% more damaging radiation compared to Earth. However, the new study ...