Have you ever wondered why NASA is sending a spacecraft to one of Saturn's moons and what it might find there?
This beautiful comic may help.
NASA’s Curiosity rover discovered “startlingly high amounts of methane in the Martian air” on Wednesday in what could potentially be a sign of life on the Red Planet, the New York Times reported on Sunday.
JoAnna Wendel is a science cartoonist and writer in Washington, DC. She loves space, planets, rocks, and her cat, Pancake. You can find her work at joannawendelcomics.com@JoAnnaScience.