Designated Researchers find an Earth-sized planet that may be habitable . It `` proves the existence of worlds that might be similar to our own , '' institute says . Scientists are looking for emissions that could suggest extraterrestrial life . Score: 6
Researchers find an Earth-sized planet that may be habitable . It `` proves the existence of worlds that might be similar to our own , '' institute says . Scientists are looking for emissions that could suggest extraterrestrial life . Score: 6