SCIENCE experts have discovered 45 “Earth-like” planets in a "Goldilocks" zone that could be harbouring life. The team at the Carl Sagan... SCIENCE experts have discovered 45 “Earth-like” planets in a “Goldilocks” zone that could be harbouring life. The team at the Carl Sagan Institute at Cornell University say the planets sit in a zone where conditions may be just right for life to exis... [1477 chars]