Dubbed as ‘Earth’s cousin,’ Kepler-452b is an “Earth-like” exoplanet, discovered by NASA’s Kepler space telescope, which is 60 per cent larger than Earth and orbits within the habitable zone of a Sun-like star, Kepler-452, located in the constellation Cygnus. It orbits its star every 385 days, similar to Earth’s 365-day year, and is 1,402 light-years away.