Meet Karen Uhlenbeck, a U.S. professor whose work has led to some of the most dramatic advances in mathematics in 40 years.
Deputy Secretary of State John J. Sullivan says U.S.-Caribbean partnership builds resilience in the face of natural disasters and other challenges.
"Today, in Venezuela, it is freedom or dictatorship," said the wife of Venezuela's interim president, Juan Guaidó, during a White House visit.
In a March 26 announcement, Secretary Pompeo says U.S. foreign aid agreements will explicitly prohibit the use of funds for abortion-related advocacy.
When athletes gathered to compete in the Special Olympics World Games, they became part of a movement that has changed ideas about who plays sports.
Lack of safe drinking water is accelerating the crisis in Venezuela, as illnesses transmitted by contaminated water are on the rise.
Meet the two female astronauts who will make history March 29. They will leave the International Space Station for a seven-hour spacewalk.
Sam Brownback, the U.S. ambassador for religious freedom, explains why China's policy of religious repression is futile — and wrong.
Six officials linked to former Venezuelan dictator Nicolás Maduro are being sanctioned by the U.S. for blocking humanitarian aid to needy Venezuelans.