A novel experiment suggests that Google’s monopoly can be tamed with habit-altering tactics. Government authorities are listening.

Google confronts an existential threat Monday as the U.S. government tries to break up the company as punishment for turning its revolutionary search engine into a ruthless monopoly.

Alphabet's Google needs strong measures imposed on it to prevent it from using its artificial intelligence products to extend its dominance in online search, a U.S. Department of Justice attorney said as a trial in the historic antitrust case began on Monday.