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

Average IQ varies depending on geographic location, resource access, and much more.

From twinkling constellations to stellar life cycles, this starry skywatching quiz will test your cosmic knowledge.

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

Retirement can easily last more than two decades, which is why it takes saving and planning. It also requires at least basic retirement financial literacy. After all, if you don’t know when to collect ...