Imagine a single tree producing a spectrum of colors every year, from brilliant reds to fiery oranges and golden yellows.

We live in a world ablaze with colour. Rainbows and rainforests, oceans and humanity, Earth is the most colourful place we know of. But the colours we see are far more complex and fascinating than ...

If you look up and notice a bluer-than-average sky during fall months, your eyes aren’t playing tricks on you. It’s simply ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. BENEATH A CLEAR SKY and a high sun, a regular human eye can see ...

Colors are one of the first things people learn about in school. Well, you might have to start re-learning. At least, when it comes to one color people think is on the spectrum. Popular Mechanics ...

Sascha Hein gets to the bottom of a misconception: neither light nor objects are actually coloured – colour only arises in ...

UV light makes it possible to see intricate structures of fossils that are barely visible in normal daylight. This method has often been used on the fossilized seashells from the Earth's current ...

During a total solar eclipse, people may see some strange things. Sure, there’s the main event happening in the sky (SN: 1/4/24). But the world may also look a little different on the ground. For a ...

Blue moons, blood moons and honey moons have all worked their way into fiction and folklore, but the changing hue of our planet's biggest satellite remains rooted in science. The moon doesn't produce ...