WASHINGTON (AP) — A federal judge approved the $85 billion mega-merger of AT&T and Time Warner on Tuesday, a move that could usher in a wave of media consolidation while shaping how much consumers pay for streaming TV and movies.

U.S. District Judge Richard Leon green-lit the merger without adding major conditions to the deal. The Trump Justice Department had sued to block the $85 billion merger, arguing that it would hurt competition in cable and satellite TV and jack up costs to consumers for streaming TV and movies.

Now, the phone and pay-TV giant will be allowed to absorb the owner of CNN,...