Ever wondered what the U.S. national security adviser actually does? Learn why a former adviser describes it as "the best foreign-policy job in government."

Meet Elizabeth "Lizzie" Slater, a foreign service specialist who embodies the ethos of diplomacy through her tenacity and teamwork.

See how Americans pay tribute to the nearly 3,000 people who lost their lives in the September 11, 2001, terrorist attacks.

The U.S. celebrates Labor Day every year on the first Monday in September. Watch how Americans honor workers on this day.

Learn more about the past, present and future U.S. workforce — and what that means for economic prosperity around the world.

The U.S. values Chinese exchange students in its schools and affords them numerous ways to participate in their new communities.

U.S. diplomacy is 230 years old this year. This poster, which carries the image of the first secretary of state, commemorates this long history.

Learn why academic freedom — the freedom to preserve truth and share information — is important to more than just professors and students.

The Trump administration's latest sanctions bar business with the former Maduro regime while providing safeguards for humanitarian aid to Venezuela.