The Secret Behind Light's Journey Through Space Visible light travels in electromagnetic waves, which we see as the colors of ...

As we transition into fall and move closer to the winter months, you might start noticing something different when you look ...

If you look up and notice a bluer-than-average sky during fall months, your eyes aren’t playing tricks on you. It’s simply ...

Ever gazed up on a bright day and wondered why the sky isn’t green, purple, or pink, but a vivid blue? The answer lies in how sunlight interacts with Earth’s atmosphere, creating a daily spectacle of ...

Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to catch the colorful duo before they slip swiftly out of view. Look west as the ...