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Scientists find hints of what could be a moon in a far-off star system02:31
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The full moon rises in the skyline of Siliguri on Dec. 18, 2021. (Diptendu DUTTA/AFP via Getty Images)
The full moon rises in the skyline of Siliguri on Dec. 18, 2021. (Diptendu DUTTA/AFP via Getty Images)

Scientists have found many planets orbiting distant stars, but so far no proof that any have moons. Now, researchers have detected signs of a large exomoon orbiting a Jupiter-like world.

NPR's Nell Greenfieldboyce reports on the latest advance in the hunt for distant moons.

This segment aired on January 14, 2022.

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