13 were exposed to radiation at US plant

(AP)—Thirteen workers at a U.S. underground nuclear waste dump in New Mexico have tested positive for radiation exposure after a recent leak, raising questions about whether the facility's safety systems worked as well ...

How radiation rules Mars exploration

Nearly everything we know about the radiation exposure on a trip to Mars we have learned in the past 200 days.

Cobalt-60 still sitting in Mexican cornfield

A shipment of highly radioactive cobalt-60 is still sitting in the cornfield where it was found a week ago after being abandoned by thieves in central Mexico, the country's nuclear safety director said Tuesday.

Whales feel the (sun)burn

Whales have been shown to increase the pigment in their skin in response to sunshine, just as we get a tan.

Researchers hope to shed light on dark lightning radiation

Scientists now know that thunderstorms, working as powerful natural terrestrial particle accelerators, produce intense flashes of ionizing radiation called "dark lightning." To further their understanding of this phenomena, ...

Moon radiation findings may reduce health risks to astronauts

Space scientists from the University of New Hampshire (UNH) and the Southwest Research Institute (SwRI) report that data gathered by NASA's Lunar Reconnaissance Orbiter (LRO) show lighter materials like plastics provide effective ...

No health risk from Fukushima radiation, UN says

Radiation leaked after Japan's Fukushima nuclear disaster in 2011 is unlikely to cause any ill health effects in the future, a UN scientific committee drawing up a major new report said Friday.

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