Feb. 18, 2020
Touchdown on Mars!
NASA's Perseverance rover joined an international fleet at Mars. Twelve spacecraft are now exploring the Red Planet from all angles.
Explore Mars ›
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Remembering a Trailblazer
In 2020 we lost Katherine Johnson, the mathematician whose calculations helped put American astronauts into space and, ultimately, on the Moon.
Protecting Mars from Earth Bacteria
February
2021
When NASA’s Perseverance rover travels to Mars to search for signs of life, it’s important that the spacecraft doesn’t bring along any Earth bacteria. That’s why NASA-JPL scientist Moogega Stricker is ensuring that the Mars rover is free and clear of microbial stowaways.
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