KAKU ON DISCOVERY OF EARTH-LIKE PLANET

Join Dr. Michio Kaku and hosts at CBSN, the "Always On" online news network from CBS NEWS, for a lively discussion of Proxima b — a newly discovered Earth-like planet also dubbed as Earth 2.0. What promise does Earth 2.0 hold for life back here on Earth 1.0? Dr. Kaku calls it "A New Chapter in Astronomy." WATCH NOW!