Kepler-442b, one-third larger than Earth and which receives two-thirds of the light that reaches our planet, has a 97% chance of being in a habitable zone. In what way do they resemble our planet?

Whenever astronomers announce a discovery involving NASA's Kepler space telescope, the "Goldilocks" zone and rocky exoplanets, chances are it's cause for excitement. Scientists Tuesday confirmed eight ...

Nasa’s Kepler space telescope has found eight planets in the so-called Goldilocks zone of their stars, just at the right distance to contain liquid wa-ter and, possibly, life. With a diameter just 12% ...