On a bright, clear day, the sky stretches above us in a brilliant shade of blue. But have you ever wondered why? The answer lies in a fascinating phenomenon known as Rayleigh scattering ...

The blue sky and ocean appear to go on forever while the greenery from the trees adds more beautiful pops of colour. Elsa and ...

Admittedly, the conditions on the ocean were picturesque, with a clear blue sky and calm waters. It was the perfect welcome for anyone who had been stuck in a set of small metal tubes floating in ...