Heavy exposure to radiation can increase the risk of cancer or impair cognition and performance.

The Sun has hurled the most intense burst of radiation at Earth in more than two decades, a reminder that our star can flip from serene to violent in a matter of hours. The storm has pushed radiation ...

With the launch of Artemis II planned in a few weeks, NASA is ready to monitor the sun during the mission in order to protect the astronauts while in space.

Scientists have recorded the highest levels of radiation from a solar storm at aviation altitude in decades, revealing potential threats to aircraft safety. A flare classified as most intense was ...