TC-STAR is a European integrated project focusing on all core technologies for Speech-to-Speech Translation (SST): Automatic Speech Recognition (ASR), Spoken Language Translation (SLT), and Text to Speech Synthesis (TTS). This corpus consists of respectively 34 million (English) and 38 million (Spanish) running words of bilingual sentence segmented and aligned texts in English and Spanish obtained from the Final Text Editions provided by the European Parliament (http://www.europarl.europa.eu) from April 1996 to Sept. 2004, Dec. 2004 to May 2005, and Dec. 2005 to May 2006. The data is accompanied by tools for further preprocessing.