Greg Myre

In an address to the nation, President Biden defended his move to pull U.S. troops out of Afghanistan. But the Taliban takeover presents the U.S. and the world with new national security challenges.

The militant group terrorized Afghans and was shunned by the world for its harsh rule from 1996 to 2001. The Taliban are more image conscious now but haven't changed any fundamental principles.

The departure of American forces from Afghanistan was forecast to renew violence there, but few expected the Afghan government to fall so quickly. Now the blame game has begun in Washington.

An additional 1,000 troops will be heading to Kabul to assist in evacuation efforts. This will boost the overall expected numbers to some 6,000 U.S. troops in Afghanistan.

Taliban fighters have entered Kabul after a swift country-wide offensive.

On day when things are moving and changing very quickly in Afghanistan, we turn now to NPR correspondents Jackie Northam, Franco Ordonez and Greg Myre for the latest.

The government in Kabul is shaky. Opposition forces outside the capital are closing in. That's the scene in Afghanistan today. That's also a scenario that's played out three times in recent history.

In recent days, the Taliban have captured huge chunks of territory in Afghanistan, including many of the country's largest and most important cities.

A memo obtained by NPR lays out the emergency preparations being made by American diplomats at the U.S. Embassy in Kabul — including the destruction of sensitive documents and computers.

The Afghan government is looking vulnerable. Opposition forces are on the offensive. That's Afghanistan today. It's also a scenario that's played out three times in the past three decades.

As the Taliban makes rapid gains in Afghanistan, about 3,000 troops will be sent to Kabul to aid in the evacuation of Americans from the embassy, thousands more will be deployed as backup if needed.

Defense Secretary Lloyd Austin says he's seeking a mandate that will require all members of the U.S. military to get vaccinated against COVID-19 by mid-September — if not sooner.

With COVID-19 vaccination rates in the military somewhat below the national average, Secretary of Defense LLoyd Austin says he wants all members of the U.S. military to be vaccinated by mid-September.

The medal table provides a concise lesson in world history for the past century, reflecting wars won and lost, economic growth and decline, and a country's overall standing on the international stage.

In an NPR interview, William Burns says he has appointed a senior officer who led the hunt for Osama bin Laden to head the investigation into ailments that has afflicted U.S. officials worldwide.

The CIA and the military depend on each other in war zones like Afghanistan. Now that U.S. forces have pulled out almost entirely, the spy agency will have a harder time keeping tabs on the Taliban.

The recent ransomware attacks on U.S. industries have sparked renewed talk of an international cyber agreement that could set rules for what's permissible, and spell out sanctions for violators.

Donald Rumsfeld was the combative defense secretary under President George W. Bush, as the U.S. waged two of its longest and most controversial wars in Afghanistan and Iraq.

The U.S. government report is the most substantial public effort to date to address decades of speculation about UFOs and whether the government had a role in concealing information.

The president says the U.S. will respond if it keeps getting hit with cyber attacks linked to Russia. But Putin has shown little interest in combatting cyber crimes called 'ransomware-as-a-service.'