The Yahoo News Search service provides online searching of news stories from around the world. The application ID. See Application IDs for more information. All query terms. Any query terms. Query terms as a phrase. The format for the output. If json is requested, the results will be returned in JSON format. If php is requested, the results will be returned in Serialized PHP format. The name of the callback function to wrap around the JSON data. The following characters are allowed: A-Z a-z 0-9 . [] and _. If output=json has not been requested, this parameter has no effect. More information on the callback can be found in the Yahoo! Developer Network JSON Documentation.