With the U.S. national debt already exceeding $16 trillion, President Trump’s tax reform and budget deals with Congress have added to the country’s deficits. CFR explores the origins of the national debt, the risks it presents, and the outlook for change.

For more than two decades, China has developed close economic and security ties with many Latin American countries, including Brazil and Venezuela. But Beijing’s growing sway in the region has raised…

U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.