26° Texas Symposium on Relativistic Astrophysics – The 26th Texas Symposium on Relativistic Astrophysics will be held in São Paulo city, Brazil, from December 15-20, 2012, and hosted by National Institute for Space Research (INPE). The Symposium will be held at Hotel Bourbon Convention Ibirapuera. As in its previous editions, Texas 2012 will cover recent developments in Cosmology, Gravitation, Astroparticle Physics and related areas of Relativistic Astrophysics with emphasis on the most recent developments in the field.