NASA's Phoenix Lander team said this week it has found a toxic chemical in the soil of Mars' northern hemisphere, where it has previously confirmed the existence of water.
The University of Arizona-based team believes the chemical is perchlorate, an oxidant typically used in solid rocket fuel. The scientists are still analyzing the soil sample to make sure it wasn't brought to Mars from Earth, according to a statement. But if the oxidant is native, it would bar the possibility of life there.
"While we have not completed our process on these soil samples, we have very … Read more