Researchers at the University of Washington’s Virtual Planetary Laboratory have devised a new habitability index for judging how suitable alien planets might be for life, and the top prospects on their list are an Earthlike world called Kepler-442b and a yet-to-be confirmed planet known as KOI 3456.02. Those worlds both score higher than our own planet on the index: 0.955 … Continue reading "More livable than Earth? New index sizes up the habitability of alien exoplanets"