It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

Greg Foot discovers why the sky is blue. He explains that outside the Earth’s atmosphere space looks black, but from the Earth’s surface the sky looks blue. He investigates this effect by ...

Next month’s full moon, the “Harvest Moon ... ANKARA, TURKIYE - AUGUST 31: The rare Super Blue Moon illuminates the night sky in Ankara, Turkiye ... [+] on August 31, 2023.