Oyez.org is a free online repository of United States Supreme Court audio recordings, case summaries, and opinions. The website allows users to explore the history of the Supreme Court by providing audio recordings of over 10,000 oral arguments and opinions dating back to 1955. Additionally, the site provides information about the Court's current docket, biographies of the Justices, and a virtual tour of the Court building. The website is maintained by the Chicago-Kent College of Law at the Illinois Institute of Technology and is recognized as the authoritative source for Supreme Court audio recordings.