To provide for research to better understand the causes and consequences of sexual harassment affecting individuals in the scientific workforce and to examine policies to reduce the prevalence and negative impact of such harassment, and for other purposes.

Combating Sexual Harassment in Science Act of 2018 This bill establishes a grant program and requirements for the National Science Foundation and other federal science agencies to expand research on the causes and effects of sexual harassment affecting individuals in the scientific workforce, including students and trainees. The research must also examine policies to reduce the occurrences and negative consequences of such harassment.