Apple wants to join the antitrust case against Google, and it has explained why it doesn't want to create its own rival search engine.

Such was evident Monday when Apple filed papers seeking to participate in the penalty phase of the Justice Department’s antitrust case against Google. The search giant lost that case in August and is now battling the government over what remedies are ...

Apple has asked to participate in Google's upcoming U.S. antitrust trial over online search, saying it cannot rely on Google to defend revenue-sharing agreements that send the iPhone maker billions of dollars each year for making Google the default search engine on its Safari browser.