Mars just dropped a surprise golden nugget —literally. Curiosity accidentally cracked open an ordinary-looking rock, only to ...

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

the discovery doesn't tell us anything new in that area. We're yet to find any signs of life on Mars, anyway. Curiosity's path (in yellow) towards Gediz Vallis channel (top-center). (NASA/JPL ...