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An atmospheric river is a relatively narrow channel of wind, hence the "river," that transports water vapor from the tropics to the West Coast, where it's producing rain and heavy winds.

As we wrap up this year, we look back at an eventful year through the lenses of NPR member and affiliate stations. We asked photographers to share memorable events they covered throughout 2022.

Afrigen is the linchpin of global project to use mRNA technology to empower low-resource countries to make their own vaccines against killer diseases from TB to HIV. What will it take to succeed?

In announcing the step, the CDC pointed to the surge in COVID-19 cases in China. The measure will go into effect on Jan. 5 for all passengers over the age of 2.

The National Guard is conducting door-to-door wellness checks in neighborhoods that lost power as authorities search for more casualties.

The National Guard is conducting door-to-door wellness checks in neighborhoods that lost power as authorities search for more casualties.

Prosecutors had sought a life sentence for Barry Croft Jr., who was the fourth and final federal defendant to learn his fate. Judge Robert J. Jonker described him as "the idea guy" behind the plot.

The airline's CEO says the company is hoping to be "back on track before next week." But until then, it's continuing on a reduced schedule.

In this new monthly rundown from OPB, “All Science, No Fiction” creator Jes Burns features the most interesting, wondrous and hopeful science coming out of the Pacific Northwest.

Oregon will start 2023 with a new health authority director while facing myriad challenges that include an overburdened hospital system that struggles to meet the demand for patient care