Water on Mars?
Was Mars washed by water?
Source: Streetknowledge
Water bathed the surface of southern Mars for millions of years, helping to create an environment theoretically capable of nurturing life, according to a new study into the planet’s mysterious oceans.

It’s good that the question has finally been answered. However, it’s not all that simple. They’ve also found an oxidizing substance that they say is “detrimental” to us. We’ve got a long way to go before we can actually see a benefit in the red planet.