When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

Today I actually walked outdoors without a hat when I stopped for coffee on my way to the newsroom. I didn't have to suit up like an astronaut and put on ice cleats just to walk to my car. When the ...

Saturn, the “ringed planet,” is just past its bright opposition, a point in Earth’s orbit when it’s between the sun and ... The rare Super Blue Moon illuminates the night sky in Ankara ...