Featured in light
When light flashes for a quintillionth of a second, things get weird
The shortest light pulses in the world come in pairs, and scientists can now control them.
Lighting tricks that will make small rooms feel gigantic
Bend light to your will.
How are rainbows formed? With simple atmospheric science.
These optical illusions require a mix of the right weather, eye direction, and luck.
The best ways to reduce light pollution and improve your quality of life
One of the few times we recommend you embrace darkness.
Understanding the weird Biden-Carter photo could help you take better selfies
It's likely not lens distortion that caused the curious appearance. Instead, it's something called perspective distortion.
This lightbulb is more than 100 years old—and it still works
A former fire chief recounts the story of a light that never burns out.
In perfect conditions, rainbows can come alive at night
They’re called moonbows, y’all.
Fireworks scare us—that’s why we love them
Our brains enjoy fear, but only in small, controlled doses.
How raging wildfires create hellish skies across the country
The strange effect is now creeping over to the East Coast.
These ultra-black fish camouflage with the darkness of the deep sea
They can almost vanish—escaping predators and sneaking up on prey.