For a few hours each lunar day, the radiation environment near the moon quietly shifts. Measurements now suggest that parts ...

A new study using data from China's Chang'e-4 moon lander found an area of reduced radiation from cosmic rays near the moon.

When we gaze up at the night sky, we often marvel at the twinkling stars, distant planets, and expansive galaxies. Yet, beyond the visible spectrum lies a more mysterious aspect of the cosmos—cosmic ...

Estimate your cosmic radiation dose during a flight HERE. For nearly three decades, 52-year-old Sara Nelson has been exposed to radiation every time she goes to work — a risk shared by hundreds of ...