Adam Steltzner is featured heavily in the upcoming Nat Geo documentary Built for Mars, which follows the twists and turns of getting this robot to the red planet.
Why We Shouldn’t Colonize Mars, According to a NASA Engineer
NASA’s Perseverance rover is set to touch down on Mars this week. We spoke with Adam Steltzner (the chief engineer of the Mars 2020 project at NASA’s Jet Propulsion Laboratory) about bringing this exciting project to fruition, and why humans shouldn't colonize Mars. Plus we've rounded up all of the latest news from the Red Planet.

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The Latest From Mars
The Tianwen-1 spacecraft arrived around Mars just this week, and it will land in the coming months not too far from NASA’s latest rover.
The UAE’s first mission to Mars, named Hope, has successfully entered orbit around the Red Planet.
NASA’s Perseverance rover will land on the red planet in about a month, but the rover won’t be the only newly arrived robotic explorer.
NASA builds its hardware to last — missions like Curiosity, Hubble, and New Horizons have survived long past their initial design life.