An image of Europa released by the Jet Propulsion Laboratory in Pasadena, Calif., in 1996 by the Galileo spacecraft. NASA says a new probe dedicated to studying the Jovian moon, is going into the development phase.
We think that life came from non-life, from the increasing complexity of chemical reactions between biomolecules present on the primordial Earth. But what about the universe? How did it come to be if there was nothing before?