People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It is an understandable question, especially for children, because the Sun ...

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.

Add Yahoo as a preferred source to see more of our stories on Google. The winter solstice, famously the shortest day of the year, is nearly three weeks behind us. So why is the sun rising later than ...