Other stars could have as many as seven Earth-like planets in the absence of farther out giant planets, according to a new study led by the University of California, Riverside. This artist’s impression displays TRAPPIST-1 and its planets reflected in a surface. Image credit: NASA / R. Hurt / T. Pyle. The search for life in outer space is typically focused on the habitable zone, which is the area around a star in which an orbiting planet could have...
