American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.

New research complicates the old consensus that IQ is largely fixed, and that's good news for anyone looking to boost their ...

The future may not be as bright. IQ scores have decreased in the US for the first time in decades, new research from scientists at Northwestern University and the University of Oregon suggests. The ...

Identical twins who were raised apart may have IQ differences similar to those of total strangers, according to new research.

IQ in childhood is a better indicator of adult wealth than math for very preterm and very low-weight babies, according to a new study. IQ in childhood is a better indicator of adult wealth than math ...

A new analysis of studies spanning the last century finds that differences in schooling appear to explain a large portion of ...

High schoolers with higher IQs are significantly more likely to be moderate or heavy drinkers as adults, according to a new study from UT Southwestern Medical Center. jovannig - stock.adobe.com High ...