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Bioengineers are developing microchips, about the size of a thumb, that can behave like human organs. Donald Ingber, director of the Wyss Institute for Biologically Inspired Engineering, discusses how the "organ-on-a-chip" works and why the technology could replace the animal model for drug testing.

Vice presidential debates have produced many memorable moments, but it’s hard to say any has made a decisive difference in the election outcome. It’s worth recalling how much media heat and drama they have generated.

Four senior House Democrats in private call said President Biden should step aside. French left coalition finishes election on top. Boeing to plead guilty to criminal fraud in deal with prosecutors.

Giants of the arts world left us this year: We look back on the legacies of Harry Belafonte, Tina Turner, Sinéad O'Connor, Paul Reubens (aka Pee-wee Herman), Richard Roundtree, Norman Lear and more.

Vice President Harris, 59, is the frontrunner to take on former President Donald Trump in November after President Biden stepped aside from the 2024 race. But she faces huge odds.

A sampling of the stories NPR staff believe made some of the deepest ripples this year — reminders of what rigorous, compassionate journalism can do, and why the work remains as urgent as ever.

Singer and actress Brandy speaks with NPR's A Martinez about her memoir, Phases, which charts her journey to stardom from singing in church in rural Mississippi to the bright lights of Hollywood.

Most corners of the country harbor old or erroneous markers of some kind. An NPR investigation examines the proliferation of Confederate markers and a century-long effort to recast the Civil War.

White spent his early childhood in poverty in Baltimore, at times sleeping in abandoned houses. He's now principal tubist in the Santa Fe Symphony and the New Mexico Philharmonic.

So far, the Taliban-run government says more than 800 people have died and thousands more are injured.