Artist's concept of Earth-like Exoplanet (IMAGE) NASA/Goddard Space Flight Center Caption Artist’s concept of Kepler-186f, an Earth-size exoplanet orbiting a red dwarf star in the constellation Cygnus. Credit NASA/Tim Pyle Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.