Earth Day is April 22 — think you know the planets? Test your knowledge of the solar system in this fun and engaging lifestyle quiz — and see how well you do!

Teach kids how to care for and celebrate our planet with these fun Earth Day activities. Find ideas for all ages, ranging from preschoolers to adults.

The trailer for the new adult animated series, Strange Planet, showcases life on a alien world curiously similar to ours, absurdities and all.