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 ...

The building blocks of life on Earth may have been fueled by tiny ... methane and ammonia. Recent experiments suggest that those sprays of water may have helped jump-start chemical reactions ...

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 ...