Editor’s note: Welcome to Just4Kids, a new feature with content from The Conversation for Kids ... Earth. It’s about gravity – something all of us experience every moment of every day.

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 ...

World Earth Day is a celebration that takes place every year on the 22nd of April. The first World Earth day began in 1970. On this day, many people raise awareness of environmental issues and ...