STEM Challenges
Explore fun and educational challenges across math, science, engineering, and coding!
Showing 6 of 209 challenges
American Programs: Mercury, Gemini, Apollo
Space ExplorerFrom Alan Shepard's 15-minute suborbital hop to Neil Armstrong's footprint on the Moon, the US space program achieved in one decade what seemed imposs...
The Space Race: Soviet Firsts
Space ExplorerIn the Cold War era, the USSR and USA competed fiercely to conquer space. Discover the remarkable series of Soviet firsts that shocked the world and l...
From Ancient Stargazers to Rockets
Space ExplorerHumans have looked up at the stars for thousands of years. Journey from the ancient Greek geocentric model all the way to the first liquid-fueled rock...
Life in the Solar System and Beyond — SETI
Space ExplorerLife on Earth thrives in boiling acid, frozen tundra, the deep ocean floor, and even the vacuum of space. These extreme survivors expand our idea of w...
Biosignatures — How Would We Detect Life?
Space ExplorerIf life exists on a distant world, it might leave chemical fingerprints in the planet's atmosphere detectable from light-years away. Exploring how to ...
Habitable Zones and Planetary Conditions
Space ExplorerLiquid water on a planet's surface is our best proxy for life — but being in the right zone around a star is just the beginning. Venus shows that bein...