What color is the moonlight – and why does it change the color?

Blue Moon, Blood Moon and Honey Moon have all been working on fiction and folklore, but the changing shades of the planet’s biggest satellite remain rooted in science. The moon does not produce its own light, instead reflecting the white light from the sun. So, what colour is the moonlight, and why does it change […]

Mercury’s “missing” met stone may have finally been discovered on Earth

Most metstones that reach Earth come from the asteroid belt between Mars and Jupiter. However, there are around 1,000 met stones that come from the moon and Mars. This is probably the result of an asteroid hitting its surface and ejecting material towards the planet. It should also be physically possible for such debris to […]

Why do giraffes have spots?

Giraffes are best known for their towering necks, but their beautiful, spotted coats are equally distinctive and important functions. So why do giraffes have spots? One reason is camouflage. Giraffe spots help to blend in with the surroundings. Irregular markings divide the animal’s contours, especially when sunlight filters through trees and shrubs. This makes it […]