Dr. Rebecca (Becky) McCauley Rench, Program Scientist for NASA’s Mars Science Laboratory (MSL), was recently featured in the NASA series, “We Asked a NASA Expert”, where she spoke about the history of the planet Mars and its environment.

Watch the episode, “We Asked a NASA Scientist – Did Mars Ever Look Like Earth?” below to hear her answer about Mars, one of the most important locations in the Solar System for astrobiology research.


Ancient Mars may have been wetter and warmer — similar to our home planet. So what happened? Scientists like Dr. Becky McCauley Rench are trying to find out.

To watch the entire series of We Asked a NASA Expert, visit https://www.nasa.gov/we-asked-a-nasa-expert. In each episode, scientists and engineers from NASA answer burning questions about NASA’s efforts to better understand the Universe and Earth’s place in it. If there is a question you’d like answered, send it our way using #askNASA and you might just hear straight from a NASA expert.

Keep up with all of NASA’s Martian exploration efforts at: www.nasa.gov/Mars