Earth’s sun emitted the strongest solar radiation storm in seven years, the National Weather Service’s Space Weather Prediction Center announced. For the first time since September 2017, Earth ...

B ASKING IN THE sun has been considered a health hazard for at least four decades. The main risk comes from ultraviolet (UV) light, which the Sun emits alongside visible radiation.

The sun struck Earth with two powerful X-class solar flares in the past few days. The flares caused radio blackouts in the US and Canada. We've seen more X-class flares this year than last, which ...