NASA's Perseverance Mars rover may have captured images of what once was a flowing river while exploring Jezero Crater. NASA scientists are also looking under the Martian surface.
Mechanical engineering professor Mike Massimino discusses the complex mission to the Red Planet on 'Your World'may have revealed what was once a river on the red planet.
The rover has been exploring the crater since landing there over two years ago, in the hopes of eventually seeking out signs of ancient microbial life. Using hundreds of images from the rover's Mastcam-Z instrument, mosaics revealed coarse sediment grains and cobbles.
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