Pin trading has become a hallmark of the Olympics in recent decades — and not just for athletes. An official trading center in Milan was a hotspot for longtime collectors and curious newcomers alike.

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what they say is potential for the U.S. to quickly deploy nuclear power for military and civilian use.

Nazgul isn't talking, but his owners come clean about how he got loose, got famous, and how they feel now

The 5th U.S. Circuit Court of Appeals has cleared the way for a Louisiana law requiring displays of the Ten Commandments in public classrooms to take effect.

Many U.S. cities have too many office buildings and not enough homes. Developers are now converting some old offices into apartments and condos, but it's going slowly.

Rev. Jesse Jackson died this week at age 84. NPR's Scott Simon remembers covering Jackson's 1984 presidential campaign in Mississippi.

We look at what yesterday's Supreme Court decision on President Trump's tariffs means for his economic policies and campaign promises.

Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious mental illness, as well as depression and anxiety.

Kenya's intelligence service warns that over 1,000 citizens may have been recruited to fight for Russia in Ukraine, many under false pretenses.

The battle over the tariffs began on day one of the president's second term when he signed an executive order that let him impose a wide range of tariffs on virtually every U.S. trading partner.