WASHINGTON (AP) — Sexual harassment is rampant in academic science, and colleges and universities that train new scientists need a system-wide culture change so women won't be bullied out of the field, a national advisory group said Tuesday.

In fact, it's time to treat sexual harassment as seriously as research misconduct, the National Academies of Sciences, Engineering and Medicine concluded in recommendations aimed at U.S. institutions of higher education and the groups that fund them.

While women are still outnumbered by men, universities are recruiting more women to science-related fields...