Life On Mars //free\\ Today

The question of has evolved from a science fiction dream into one of the most rigorous scientific pursuits of the 21st century. While we have yet to find a "smoking gun," recent discoveries by rovers and orbiters suggest that the Red Planet was once a hospitable world, and may even harbor microbial life in its deep, frozen recesses today. The Ancient Habitability of Mars

NASA’s Mars Reconnaissance Orbiter and the European Mars Express have proven that ancient Mars was a wet world. We see river valleys, lake beds, and deltas that could have been torn from the American Midwest. Furthermore, rovers have found evidence of hydrothermal systems. Life On Mars

We have found the water. We have found the organics. We have found the energy gradients. The only remaining piece of the puzzle is the life itself. The question of has evolved from a science

Defenders counter:

emphasize that we likely won't know for sure until these samples are returned to Earth for closer study. A Tale of Two Planets We see river valleys, lake beds, and deltas