Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...

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 ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

The winter solstice, famously the shortest day of the year, is nearly three weeks behind us. So why is the sun rising later than it did on Dec. 21? The answer lies in Earth's rotation and orbit.

A hot mystery on the sun may be close to being solved. For decades, scientists have been trying to understand why the sun's outer atmosphere is so much hotter than its surface, despite being farther ...