NASA's Curiosity Rover Finds Chemical Building Blocks For Life On Mars
Scientists can't say whether there is, or ever was, life on the Red Planet. But two Martian rock samples contained organic molecules — which contain carbon, the chemical element central to life.
For the first time, scientists say they have clear evidence that the chemical building blocks of life exist on Mars.
What they can't say yet is whether there is, or ever was, life on the Red Planet.
The new evidence comes from a pair of rocks. NASA's six-wheeled rover drilled into the planet in late 2014 and early 2015. The two rock samples, from sites named and , are
