It's not the only color for a cause. Purple probably won't be the only porch light color you'll see. People use red porch lights to highlight women's heart health. And blue porch lights, like blue ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Have you ever noticed purple street lights while driving? It's definitely odd, and there's a lot of speculation as to why this happens. Here's what we know.

Look closely at a rainbow, and you’ll spot red, orange, yellow, green, blue, and violet, but not purple. That’s because every color in a rainbow corresponds to a single wavelength of light.

A NASA astronaut aboard the SpaceX Dragon spacecraft has shared a stunning video of the aurora as seen from space, following a powerful geomagnetic storm.

In 2023, The Boston Globe reported several of the purple lights in the Massachusetts capital. They’ve also popped up in Vancouver and in parts of Wisconsin, Florida, and California.

Light therapy is having a moment and, consequently, there are a ton of at-home skincare devices and tools—all utilizing different types of light like red, blue, green, amber, even purple—on ...

Blue and purple auroras tend to be visible toward the lower parts of the display. Yellow and pink aurora. ... Why are northern lights that appear at low latitudes red?