Northern lights occur when a solar flare interacts with Earth's atmosphere.

The Sun has unleashed a quartet of strong solar flares, which could herald a wild week of space weather. It all kicked off at ...

The Sun has hurled a rare sequence of three major eruptions toward Earth, a triple blast that is now driving the most intense ...

As we get closer to the end of the year, the days get shorter and shorter. Meanwhile, they get longer and longer as we get into the spring. This is all due to the angle of the sun in our sky. The sun ...