High levels of manganese oxides discovered by NASA’s Curiosity rover on Mars may indicate that oxygen was once abundant there. With last year’s discovery that the red planet may have been home to ancient lakes, it now seems more akin to our blue one. “The only ways on Earth that we know how to make these manganese materials involve atmospheric oxygen or microbes,” said Nina Lanza, a planetary... 

Cassini’s View of Titan Titan, one of the most interesting objects in our Solar system, may have an ocean of water beneath its thick ice crust layer. Scientists say large deposits of water drastically increase the possibility of life on the moon. ­Saturn’s largest moon Titan is one of the few objects in our system that can boast a true atmosphere. The moon also has developed a climate, with... 

Saturn's moon, Titan, pictured using ultraviolet and infrared cameras on board the space probe Cassini. Scientists now believe that the moon could harbour life Scientists have found evidence that there is life on Saturn’s biggest moon, Titan. They have discovered clues that primitive aliens are breathing in Titan’s atmosphere and feeding on fuel at the surface. The startling discoveries,...