Find out how NASA uses balloons to explore Earth and space and then take on a challenge to design your own balloon explorer inspired by what you've learned!
Has Mars ever had the right ingredients for life? What are organic molecules, and what can they tell us about the history of Mars? Learn more in this 60-second video.
Whether it's sending spacecraft to other planets, driving rovers on Mars, finding out what planets are made of or how deep alien oceans are, pi takes us far at NASA. Find out how pi helps us explore space.
