It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...

Since the corona is dimmer than the Sun's surface, it's challenging to observe. It's visible during total solar eclipses when ...

A swirling sea of pink, where fluffy tufts float majestically upward, while elsewhere violet plumes rain down from above.

One of the many reasons why the leopard gecko is so well-loved is its delightfully goofy, ever-present grin. Here are 10 ...