Short NASA video about what we know of the existence of life on Mars. Imported from NASA's Youtube channel. This video is assumed to be public domain since all NASA videos are thought to be public domain. Original description:

Is there life on Mars? No, we have never discovered life on the Red Planet, but we have found lots of evidence that suggests Mars could have once supported life in its ancient past. There’s even a chance that Mars could be habitable beneath its surface. NASA astrobiologist Heather Graham explains more.

Keep up with all of NASA’s endeavors at the Red Planet: https://mars.nasa.gov

Producers: Scott Bednar, Jessica Wilde

Credit: NASA