Ever since scientists figured out how to put humans in space, they've been working to protect those humans from exposure to excessive radiation. High-energy particles from the Sun and from cosmic rays ...

Beyond better testing, we need better protection. Physical shields seem like the obvious first defense. Hydrogen-rich materials such as polyethylene and water-absorbing hydrogels can slow charged ...

This time last year, United States government officials released details indicating Russia may be developing a space-based nuclear weapon system to target Western satellites. While a flagrant ...

The IAEA has released a new safety guide to help countries design and run radiation monitoring programmes to ensure people and environment are protected from harmful effects of ionizing radiation.