Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why is the sky blue? – Mariana A-E., age 11, ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

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

It’s such a simple motif – a woman at or by a window – yet, as curator Jennifer Sliwka ably demonstrates in this show, is one that contains hidden depths. Football is a simple game, as Gary Lineker ...