The green flash is a rare, brief optical event of green, yellow, and sometimes blue that colors the horizon, occurring at ...

Yellow lights often cause confusion because drivers do not know what to do when they encounter a yellow light signal. The rules are clear, but those rules have not made yellow light situations any ...

There are very special cases, when the sky is very clear and exceptionally transparent ... as the "green flash." The green color is produced by atmospheric refraction of light, which causes ...

In a new study, researchers made the skin on the skulls and abdomens of live mice transparent ... it scatters light, which is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In H.G. Wells ...

What should you do if the yellow light is flashing? The California Driver’s Handbook explicitly states that a driver does not have to stop at a flashing yellow light. The handbook states ...

Sometimes when there is construction, a malfunction with the sign, or it’s simply late at night when there’s not much traffic, you may come across a flashing yellow or red light. Construction ...

Sometimes, when there is construction, a malfunction with the sign, or it’s simply late at night when there’s not much traffic, you may come across a flashing yellow or red light. Construction ...