You will generally find more credible sources via the library's databases but there are many credible websites that may be helpful for your research. This page includes a number of websites that might be helpful.
This site is maintained by the U.S. Department of Health & Human Services. It "promotes the safety, permanency, and well-being of children, youth, and families by connecting child welfare, adoption, and related professionals as well as the general public to information, resources, and tools covering topics on child welfare, child abuse and neglect, out-of-home care, adoption, and more."
Affiliated with the University of Michigan, the Institute for Social Research (ISR) is the "world's largest academic social science survey and research organization." Their research spans many disciplines, including psychology, business, economics, public health, demography, statistics, and engineering.
"Sociological Images: Seeing is Believing is designed to encourage all kinds of people to exercise and develop their sociological imagination by presenting brief sociological discussions of compelling and timely imagery that spans the breadth of sociological inquiry."