A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

"Just as blue sunlight scatters in the Earth's atmosphere and makes the sun look slightly less blue, light from a strong blue, rich white street light enters your eyeball, scatters around in your ...

Scientists have revealed that your favourite colour doesn't actually exist! A new study reveals that purple isn't part of the visible light spectrum, and instead is created by your brain as a visual ...