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 ...

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 ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

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 ...

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 ...

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.