In the 12 months since a pro-Trump mob stormed the U.S. Capitol, polarization has only grown deeper. Many who monitor extremist activity worry that the country is in a much more dangerous place now.

The new CDC guidelines for COVID-19 isolation and quarantine have garnered a lot of criticism. And this is just one example of the agency's on going communication problems.

Members of Congress mark the attack on the U.S. Capitol a year ago. Experts monitoring extremist worry the U.S. is in a more dangerous place than a year ago. Examining the CDC's messaging problems.

The CDC says a test to get out of COVID isolation is not needed. Amateur sleuths help to track down Jan. 6 rioters. Elizabeth Holmes' fraud conviction wouldn't have happened without whistleblowers.

A year after a pro-Trump mob attacked the U.S. Capitol, an informal community of amateur sleuths — known as "sedition hunters" — continues to identify people who were likely involved in the riot.

Ex-Theranos CEO found guilty on four counts in fraud trial. In Philadelphia, students, teachers and bus drivers have COVID. The Marines are probing what went wrong with an amphibious assault vehicle.

In Philadelphia, students, teachers and staff come back from the holiday break even as COVID-19 is surging and essential personnel are out sick. Is in-person learning a good idea at this time?

The omicron variant hasn't slowed in the U.S. A poll shows Americans are deeply pessimistic about the future of democracy. The Capitol Police chief is to testify before a Senate panel this week.

The CDC says the change is "motivated by science" showing that it's not necessary to isolate for 10 days. During a surge of a more transmissible variant, is it a good idea to revise the guideline?

The CDC cuts the recommended isolation time for COVID infections. Schools will usher in another new year defined by the pandemic. Winter Olympic officials put stringent COVID measures in place.

The end of the year means it's time to look back on the best films and TV shows of 2021. The hosts of NPR's Pop Culture Happy Hour podcast share their favorites.

Iran has ramped up its program since the Trump administration abandoned the deal and reimposed sanctions. Negotiators meet for what could be a key phase of talks attempting to restart the agreement.

When insurance firms wouldn't pay, a woman facing a large tab for her newborn's ICU treatment was given a chance to pay $45,843 a month for a year. The story changed when a reporter got on the line.

The upcoming year could bring court demands and revelations for former President Donald Trump. There are cases against Trump the businessman and Trump the ex-president.

The U.S. is in another COVID surge, due to the omicron variant. Holiday travelers find hundreds of flights are canceled. South Africa begins a week of mourning for the late Archbishop Desmond Tutu.

Health experts worldwide are warning that the battle against the Omicron variant is far from over. Three NPR correspondents provide the latest on the pandemic from Europe and South Asia.

Omicron is spreading rapidly across the U.K. Ex-police officer who drew her gun instead of a taser found guilty of manslaughter. Shoppers are spending more despite COVID-19 and supply chain issues.

The former Minnesota police officer, who fatally shot Wright after mistakenly drawing her handgun instead of a Taser during a traffic stop, was found guilty of first- and second-degree manslaughter.

Shoppers are spending more despite COVID-19 and supply chain issues. At the same time, some people skipped the store in favor of handmade gifts.

The FDA authorizes the first antiviral pill to treat COVID-19 at home. The House Jan. 6 panel wants to talk to Trump ally Rep. Jordan. Russian President Putin holds his annual year-end new conference.