Why did the world suddenly become obsessed with the northern lights? It seems like not a week goes by without news of solar flares and, very often, a forecast for auroras in their wake. So are the ...

Now, small and effective solar panels have made it a lot easier to light up an outdoor space, and Walmart is doing its part ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

The solar eclipse was particularly notable as it provided a rare opportunity to witness the Earth’s shadow cast over the Sun ...

See photos in our latest coverage ... charged particles called "solar wind" hits the poles and reacts with molecules in the atmosphere. The Northern Lights are typically only visible closer ...