- Strangely bleached rocks on Mars hint that the Red Planet was once a tropical oasis Live Science
- Findings suggest red planet was warmer, wetter millions of years ago Purdue University
- Mars Was Once a Tropical Oasis, New Study Suggests SciTechDaily
- NASA’s Perseverance Rover Found Evidence of Tropical Storms on Mars VICE
- Purdue professor investigates rock found on Mars, publishes findings Purdue Exponent