NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission is running well past its warranty.

NASA associate administrator Amit Kshatriya and associate administrator of NASA Science Dr. Nicky Fox explain that "all evidence points" that is an interstellar comet and reveal a new image from the Mars Reconnaissance Orbiter (MRO).