A Helicopter Flew on Mars for the First Time. A Space Physicist Explains Why That’s Such a Big Deal

On Monday of this week, the Ingenuity helicopter—which landed on Mars with the Perseverance rover in February—took off from the Martian surface. More importantly, it hovered for about 30 seconds, 3 meters above the surface and came right back down again. It may not sound like a huge feat, but it is. Ingenuity’s flight is … Continue reading A Helicopter Flew on Mars for the First Time. A Space Physicist Explains Why That’s Such a Big Deal