Add Yahoo as a preferred source to see more of our stories on Google. Some 'water worlds' like Jupiter's moon Europa could potentially be habitable for life. NASA/JPL-Caltech/SETI Institute The search ...

Astronomers have spent decades hunting for life where it seemed to make sense: on Earth-like planets orbiting Sun-like stars ...

(THE CONVERSATION) The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this ...

Daniel Apai receives funding from NASA, Heising-Simons Foundation, Department of Defense, Space Telescope Science Institute, and the University of Arizona, and leads the NASA-funded Alien Earths ...