This is the background to the discovery of super-Earth HD 20794 d by an international team including the University of Geneva (UNIGE) and the NCCR PlanetS. '"Are we alone in the universe?"' ...

A super-Earth laboratory for searching life elsewhere in the Universe. Thirty years after the discovery of the first exoplanet, more than 7000 have been discovered in our Galaxy.

A circle, like the Earth, contains a direct topology ... What the CMB say about the shape of the Universe One engaging strategy for deciding the shape of the universe is by looking at the cosmic ...