NASA unveils 2 finalists for missions to distant worlds

NASA’s next robotic mission to a far-off world may be either landing on Saturn’s largest moon, Titan, or a mission to comet 67P/Churyumov-Gerasimenko that would return samples to Earth.

The two finalists in the space agency’s New Frontiers Program were announced Wednesday afternoon in a teleconference.

The Comet Astrobiology Exploration Sample Return (CAESAR) mission to 67P/Churyumov-Gerasimenko will