An unofficial ranking of the world's cleverest countries based on criteria including number of Nobel Prize nominations and ...

Across 36 countries, most people say religion helps society and encourages tolerance. They're more divided on whether it promotes superstition.

"The bottom line is that withdrawing from the WHO makes Americans and the world less safe," says Dr. Tom Frieden, president ...

Across 36 countries, a median of 54% say the gap between the rich and poor is a very big problem in their nation.

Here’s what to know about Trump’s proposal to add new restrictions in the U.S.—and how that compares to other countries.