
NASA @NASA
🤔 Did Mars ever look like Earth? We think it did! Ancient Mars may have been wetter & warmer — similar to our home planet. So what happened? Scientists like Dr. Becky McCauley Rench are trying to find out. Keep up with our @NASAMars exploration efforts: https://t.co/OHIcSktsVZ https://t.co/zKEmiwMRN3 — PolitiTweet.org