On May 3, 1971, at 5 p.m., All Things Considered debuted on 90 public radio stations.
In the years since, almost everything about the program has changed, from the hosts, producers, editors and reporters to the length of the program, the equipment used and even the audience.
However there is one thing that remains the same: each show consists of the biggest stories of the day, thoughtful commentaries, insightful features on the quirky and the mainstream in arts and life, music and entertainment, all brought alive through sound.
All Things Considered is the most listened-to, afternoon drive-time, news radio program in the country. Every weekday the two-hour show is hosted by Audie Cornish, Ari Shapiro, Mary Louise Kelly and Ailsa Chang. In 1977, ATC expanded to seven days a week with a one-hour show on Saturdays and Sundays. Michel Martin hosts on the weekends.
Audie Cornish | 
Ari Shapiro | 
Mary Louise Kelly |
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Ailsa Chang |
Photos by Stephen Voss/NPR
During each broadcast, stories and reports come to listeners from NPR reporters and correspondents based throughout the United States and the world. The hosts interview newsmakers and contribute their own reporting. Rounding out the mix are the disparate voices of a variety of commentators, including Sports Commentator Stefen Fatsis, and Political Columnists David Brooks and E.J. Dionne.
All Things Considered has earned many of journalism's highest honors, including the George Foster Peabody Award, the Alfred I. duPont-Columbia University Award and the Overseas Press Club Award.
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As the nationwide aviation ground stop continues, there are still planes in the sky. Pilots are having to navigate this situation as we continue to learn more.
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All flights across the United States are grounded and millions of passengers are stranded. NPR talked to passengers at Ronald Reagan Washington National Airport.
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Department of Homeland Security Secretary Markwayne Mullin spoke to at the White House on Friday afternoon after the FAA issues a total ground stop. NPR was there for the briefing.
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Passengers stuck on airplanes on tarmacs across the country during the FAA ground stop on Friday share their stories.
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The Federal Aviation Administration took an extraordinary step Friday afternoon by issuing a nationwide ground stop. No planes are taking off at any airport and millions of passengers are stranded.
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The FAA has issued a nationwide ground stop. NPR's Sacha Pfeiffer talks with Tom Lintner, the former head of air traffic investigations with FAA and air traffic controller, who has a view of Dulles.