W hen you look up at the sky at night, the first thing you always see is the Moon. The Moon, often shining beautifully bright ...

Stargazers across the U.S. and other parts of the world tilted their eyes up into the night sky before dawn to witness the glowing "blood worm moon" staring back at them. The stunning spectacle ...

This week, robed in twilight, a "blood worm" will pierce the night ... moon, it obscures the sun's light from hitting it — but some still sneaks through. To understand why the moon turns that ...