The vibrant auroras from earlier this year have a darker side that scientists are still uncovering. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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 ...

Residents of Arizona, Florida, Colorado, New Mexico, and Texas are facing high levels of ultraviolet (UV) radiation levels from the sun on Tuesday, a forecast map from the Environmental Protection ...

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 ...