So really, there's a good sunset every night; we just can't always see it from the ground. You may have noticed this if you've ever taken off in an airplane at sunset.

On Wednesday you’ll see all five planet, possibly minus Jupiter, which will be slightly lower in the post-sunset sky. Mercury will be higher, and should be visible, but Mercury is rarely easy.

If the sky is full of clouds and overcast, from the ground you won’t see that pretty of a sunset. But if you hopped on a plane, crossing the boundary layer of the atmosphere, you would probably ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between the moon and Mars.

Look low in the west-northwestern sky after sunset on Friday, June 11, ... during World War II, aircraft spotters sometimes mistook the planet for an enemy airplane.

The plane’s engines expel their hot, humid breath, ... On clear days, the resulting contrails are stark and white, accentuating the sky’s watery blue. At sunset, ...