When the sun is straight up at noon, you see blue sky because all the other colors in the spectrum up until blue and purple are scattered away. This is known as the Rayleigh effect. We usually don't ...

Scientists captured a rare blue aurora 124 miles above Earth, showing new insights into upper-atmosphere chemistry and dawn ...

Yes, I know it’s only just turned November, but many stores aren’t waiting until the end of the month to kick off the Black Friday deals. If you’ve been eyeing up a new TV, then these offers that ...

What happens when a relative dies and a subscription doesn't get cancelled? We explain in our regular Money Problem feature, after a family discovered a service wasn't cancelled for years when their ...