The Chilean astronomer, María Teresa Ruiz, recently given the L’Oreal-UNESCO Prize for Women in Science, is the author of the extraordinary Hijos de las estrellas. Un maravilloso recorrido sobre los orígenes del universo y del ser humano, which tells about the origins of the universe, where we are now, and how heavenly bodies are studied and explored. In conversation with the physicist Gerardo Herrera Corral.