Aliens aren't terraforming Mars, but one of NASA's rovers just found something with a strange texture that might entice a cauliflower lover to do a double-take. Curiosity, a Mini Cooper-sized lab on wheels,

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising speculation about if life was created billions of years ago on the Red Planet.

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