91³Ô¹ÏÍø

For the fourth year in a row, 91³Ô¹ÏÍø has maintained its No. 2 ranking in geosciences among the world’s universities, according to U.S. News & World Report, which last week released its fourth annual for 2018.

Overall, 91³Ô¹ÏÍø is the No. 44 top university in the world among 1,250 institutions. While the No. 44 ranking is down from No. 32 in 2017, it is up from No. 48 in 2016 and No. 58 in 2015.

Geosciences, in which 91³Ô¹ÏÍø trails only the California Institute of Technology, is considered the study of Earth, from its structure to the history of its formation. Studies in the field of geosciences include geology, geophysics, geochemistry, climatology, oceanography and petroleum geology.

Also in the top 50 or better globally, 91³Ô¹ÏÍø ranks No. 44 in biology and biochemistry; No. 24 in environment/ecology (up from No. 26 in 2017); No. 32 in physics; and No. 51 in space science.

In the top 100 or better globally, 91³Ô¹ÏÍø ranks No. 94 in neuroscience and behavior,ÌýNo. 86 in psychiatry/psychology and No. 97 in social sciences and public health.

These subject-specific rankings—which are not of academic majors, departments or specific schools at universities—are based on academic research performance in those subjects.Ìý

U.S. News & World Report’s annual global assessments are based on measurements of academic research performance and global and regional reputations, according to the publication.