So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

When parts of the Earth face the Sun, it's daytime. When they are in the shade, it's night time. SEYMOUR: Hello, Seymour Science here! As we all know, sometimes it’s day… and sometimes it’s ...

Half of the Earth is always facing the Sun, meaning it is lit up. The other half is in darkness until the planet turns around. That’s why we have day and night! SEYMOUR: The Sun keeps us warm ...