As the icy, ocean-filled moon Europa orbits Jupiter, it withstands a relentless pummeling of radiation. Jupiter zaps Europa’s surface night and day with electrons and other particles, bathing it in ...

Fears about cell phones causing cancer persist despite scientific evidence to the contrary, with Health Secretary Robert F. Kennedy Jr. announcing a new investigation. Here’s what we know.

Doctors may use radiation therapy to treat benign tumors. Radiation can shrink and eliminate benign growths without doctors having to perform surgery. Benign tumors are noncancerous growths that ...