In the Arctic, the old, multi-year ice is increasingly melting, dramatically reducing the frequency and size of pressure ridges. These ridges are created when ice floes press against each other and ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Knowing who voted is critical to developing an accurate understanding of an ...

The LSMS high-frequency phone surveys are leveraging existing face-to-face surveys as sampling frames and sources of longitudinal data. These techniques also feed into analyzing the phone survey data ...

Pew Research Center’s annual National Public Opinion Reference Survey (NPORS) has measured partisan affiliation among U.S. adults since 2020. Explore recent patterns of partisan affiliation in the ...

If you liked this story, share it with other people. New research comparing data from the two largest-ever elephant surveys reveals the overall population in the Kavango Zambezi Transfrontier ...