Only until something new comes along to challenge it. And by challenge, I mean credibly. You're talking as though scientists have only a single view and nothing could ever change it. If nothing else, science and the scientific method is all about discovering the new.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'