-
Sunlight shapes our evolution — and may explain why some people have curly hairLight helps explains the evolution of our skin color, why some of us have curly hair, and the size of our eyes. And light still shapes us today.
-
We actually have trillions of 'body clocks,' not just one. Here's how they all work together.We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with light to control our health.
-
The shape of light: Scientists reveal image of an individual photon for 1st time everUsing a groundbreaking new technique, researchers have unveiled the first detailed image of a photon — a single particle of light — ever taken.
-
Is light a particle or a wave?Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there.
-
Rainbow swamp: The flooded forest in Virginia that puts on a magical light show every winterEvery winter, when sunlight hits at the right angle, visitors to Virginia's First Landing State Park are treated to a mesmerizing rainbow light show courtesy of the park's bald cypress swamp.
-
Scientists confirm that most of the universe is 'darkness and nothing more'Finding the universe's brightness is essential for confirming our theories of what makes up the universe. But to do so, scientists had to send a spacecraft far away from our sun.
-
Study finds black holes made from light are impossible — challenging Einstein's theory of relativityNew theoretical research finds that it's impossible to form a black hole with the energy of light particles alone, poking a hole in Einstein's theory of general relativity.
-
Why can't we see colors well in the dark?In the dark, vivid colors seem to fade to gray and they're hard to tell apart. Why is that?
-
Horned 'SpaceX spiral' photobombs auroras over Europe in 1st-of-its-kind sightingAurora-hunting photographers were surprised to spot a misshaped SpaceX spiral with ethereal horns over Europe during a recent geomagnetic storm.
