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 ...

Radiation levels in Earth's atmosphere rose to the highest level in nearly two decades in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun. The solar ...

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 ...

Cosmic rays, predominantly high-energy particles originating from outside the Solar System, interact with Earth’s atmosphere to produce a complex radiation environment. This continuous bombardment ...