No matter how many times you see them, the northern lights, or aurora borealis ... iridescent sheets of green and red (or sometimes blue and purple) light. And this week, across the northern ...

The aurora, also known as the northern lights (aurora borealis ... in a wide variety of colors — from green to pink to blue and purple — that can leave skywatchers both mesmerized and mystified.

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish ... What you are talking about is a blue light and they are ...

The auroras — the northern and southern lights — are undoubtedly one of ... that it can be seen from far away. What Causes ...

meaning we get even more chances to see the Northern Lights due to solar activity. The neon spaghetti strings of green, red and blue have become an increasingly common occurrence in, of all places ...

turning the color back to blue or purple. Like most utilities, Duke Energy adopted the 4,000 Kelvin color — similar to moonlight — as the national industry standard for safe street lights.