For the thousands becoming U.S. citizens this week, the date holds an extra special significance. It is the anniversary of the signing of the Constitution.

A U.S. graduate student granted permission to study in Iran was thrown into prison two years ago. His wife, the U.S. and U.N. are demanding his release.

The U.S. partners with private companies to provide aid around the world for transparent, bottom-up growth and development that supports local communities.

An international team of scientists may have found a way to turn modified rice seeds into a weapon against HIV/AIDS.

A new executive order requires mandatory sanctions and other consequences for foreign individuals or governments that attempt to meddle in U.S. elections.

Learn how an American entrepreneur and a Vietnamese cacao grower are trying to put Vietnam on the chocolate map with the help of USAID.

Check out our new regular feature presenting examples of the incredible photography coming out of the U.S. armed forces and their global missions.

For the third time in four years, Team USA ranked first in the International Mathematical Olympiad, the standard for excellence in youth mathematics.

Hundreds of young professionals from across Africa will spend a summer in the U.S. as Mandela Washington Fellows, learning how to lead. Will you be one?