Granite Staters were greeted by a vibrant sky with the sunrise Friday morning, with some seeing a shockingly red and orange hue, with the sky even taking on a hazy appearance.That hazy effect was ...

Have you ever looked up at the sky and wondered why it’s blue during the day, but glows orange or red during a sunset? It’s one of those everyday wonders we often take for granted. The answer ...

Why does the sky turn red, orange, and pink at sunset? The phenomenon of scattering is also why the sky turns red, orange, and pink at sunset. Crucially, you need some cloud to see this.

As a derecho rolled through the northern Plains Tuesday, the sky turned green. A derecho is a powerful wind storm, but this cluster of storms brought more than just the intense, destructive wind.

A thick pall of smoke from horizon to horizon, though, can absorb all the infalling blue light, casting the entire sky a disturbing shade of orange, red or even brown.

A closer look at the orange auroras that appear between the red and green lights. (Image credit: Harlan Thomas) Auroras are created when high-energy particles from CMEs or solar wind bypass Earth ...

And with more of the longer wavelengths scattered at sunset, the sky looks more orange, too. Kenneth Chang has been at The Times since 2000, writing about physics, geology, chemistry, and the planets.