Here are a few options for a formal, journalistic title, depending on your preferred emphasis:
Option 1 (Direct and authoritative):
The Crisis of Credibility: Journalism’s Struggle for Trust in an Era of AI and Disinformation
Option 2 (Focus on the challenge):
Navigating the New Information Landscape: Journalism’s Existential Battle for Audience Trust
Option 3 (Concise and professional):
Journalism at a Crossroads: Rebuilding Public Trust Amidst Technological and Informational Disruption
Recommendation:
Option 1 is the strongest choice as it maintains the urgency of your original title while elevating the language to a more academic and professional journalistic standard.