cosmic radiation

Under extreme, rare circumstances, taking a plane trip could expose you to harmful levels of cosmic radiation given off by violent space weather.

Long-Range Radiation

"Exposure to a high background radiation displays clear beneficial health effects in humans," according to a team of Israeli researchers.

Scientists have a bizarre idea for protecting astronauts from cosmic rays: Shield them with the radiation-absorbing fungus near Chernobyl.

It turns out that a thin coating of powdered rust could serve as a killer, lightweight shield against deadly cosmic radiation.

NASA is about to test a prototype cosmic radiation-blocking vest by strapping it to a dummy and sending ti around the Moon.