The search is on for a second Earth that humans could colonise and now theres a new candidate, and its called Wolf 1061 c. The rocky orb, more than four .brThe search is on for a second Earth that humans could colonise and now theres a new candidate - Wolf 1061c. The rocky orb, more than four times the mass of .brThe closest potentially habitable planet ever found has been spotted by Australian scientists, and its just 14 light-years away. Thats 126 trillion kilometres from .brA new Earth-like planet is discovered 14 light years away .