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>> shannon: is their life on mars or could there have been? there is a new element. that elements shannon: is there life on mars or could there have been? there is a new element to add to the conversation and that is liquid water and a lot of it. kristin fisher is here with details. >> we are talking a lake of of cofirmed this is the have been waiting for. up specifically to target in their search for microbial alien life. the discovery was made by the italian space agency using one of the oldes...

>> shannon: is their life on mars or could there have been? there is a new element. that element is liquid water. kristin fisher is here with details. >> we are talking about a lake of liquid water on mars right now. if the findings are confirmed, this is a discovery so many scientists have been waiting for. a specific place to target in their search for microbial alien life. the discovery was made not by nasa but by the italian space agency. using one of the oldest spacecraft still operational ...

Element is liquid water, a lot of it. correspondent kristin fisher is here with details. >> we are talking about a lake of liquid water on mars right now. if the findings are confirmed, this is the discovery so many scientists have been waiting for, a specific place to target in their search for microbial alien life. the discovery was made not by nasa but the italian space agency using one of the oldest spacecrafts still operational in orbit around mars, the mars express. they used ice penetrati...

Used to looking for things in the water. part of what theyre doing is utilizing what you described as low tech. but its a very effective way of determining things that are of smaller size that dont have a temperature difference pro-vial so the sfra red systems dont necessarily work or a radar profile. theyre using ray tar, infrared, enhanced optics and human eyeballs, all possible assets, and i think its wise. >> sometimes human eyeballs are the best technology that we can possibly have. >> abso...

Been down there. i have. theres a lot of equipment down there. >> alex, the new theory that this plane was flying below 5,000 feet, testing that notion, does it sound like something thats plausible? what would it take to fly it below 5,000 feet? >> its plausible and doable. its fairly straight forward to fly at that level. thats not going to mask your radar profile. youll still be picked up on radar, especially military radar. perhaps lower than that, youll still be printing a lovely primary rad...