NASA Curiosity Rover Finds Unusual Samples on Mars, Could Be Linked to Ancient Life

It looks like NASA’s Curiosity rover is working hard on the Red Planet, constantly searching for signs of ancient microbial life. Recently, scientists analyzed some rock samples collected by the rover from the Martian surface and found that some of them are rich in a type of carbon that is usually associated with life back on Earth. Here, carbon is an important element that is found everywhere: in the air, water, and the ground.... (continue reading...)