Astronomers have discovered what they say is the most Earth-like planet yet detected — a distant, rocky world that's similar in size to our planet and exists in the Goldilocks zone where it's not too hot and not too cold for life.
ALICIA CHANG AP Science Writer, San Diego Union-Tribune Nation
Thu, 04/17/2014 - 7:47pm
Astronomers have discovered what they say is the most Earth-like planet yet detected — a distant, rocky world that's similar in size to our planet and exists in the Goldilocks zone where it's not too hot and not too cold for life.