Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

There’s something truly enchanting about catching sight of iridescent clouds, shimmering like a spilled box of pearls against ...

But this also means that if you take a picture of the sun at noon every single day, the sun is going to move around the sky. It ends up tracing out this figure-8 shape, known as an analemma.

Thanks to atmospheric filtering at sunset, reds dominate while other colors fade, a natural shift that subtly transforms the ...