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
Editor: Daniel Salazar
Credit: NASA
