The next time you long for the romance of the northern lights, switch on a fluorescent lamp! There may be less mystique, but the principle will be the same.
Ever wonder how far apart the stars are from one another? Find out a good way to tell on this Moment of Science.
One of the fundamental ideas of scientific thinking can be summed up in the phrase: "Correlation does not imply causation." That can be very confusing.
It seems to be possible for planets in a stable solar system to somehow get off track and run into each other. Is our planet in danger?
During a "meteor shower" bits of rocky material that enter our atmosphere from space burn up because of friction.
The narrow range of angles at which the colors are reflected is the key to why rainbows must be curved.
What makes the sun shine? It's a question we rarely give much thought. However, there is a scientific explanation for this commonplace phenomenon.
Do you sneeze when you see a bright light? Then you may have photic sneezing. Learn more about this condition on this Moment of Science.
The physicist Artur Eddington once said he hoped one day science would have advanced far enough to understand "so simple a thing as a star."
How do you know the sun didn't just explode? We aren't talking about the everyday, run-of-the-mill controlled explosion the sun is always doing, but a big boom.