The light in Earth's atmosphere may reflect signs of extraterrestrial life.
Where's the best place to keep warm, a mountain top or a valley? Well, it just depends...
In the middle latitudes of the northern hemisphere, southward facing objects get more sunlight throughout the year.
Solar energy may be sustainable, but it's not efficient. Scientists trade silicon for perovskite to give solar cells a boost.
Did you know that florescent lighting affects the look of color (including makeup!)
Today's Moment of Science is all about the role that glaciers play in giving those chilly lakes such incredible turquoise colors.
While solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light absorption.
Scientists in England and the United States have made a breakthrough in understanding the relationship between clouds and climate.
There's an interesting effect we can sometimes see regarding the moon. It happens when only a tiny sliver is visible shining on one side.
This is partly due to pollution, but even in the cleanest air the sky is lighter near the horizon due to the effect of earth's atmosphere on sunlight.