Joe Palca Joe Palca is a science correspondent for NPR.
Joe Palca, photographed for NPR, 17 January 2019, in Washington DC.
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Joe Palca

NASA Wants To Send Your Name To Mars In 2020

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Dr. Kaiyu Hang/Yale University

If Drones Had 'Claws,' They Might Be Able To Fly For Longer

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InSight seismometer with protectiive wind cover deployed on Mars. NASA/JPL-Caltech hide caption

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NASA/JPL-Caltech

NASA's InSight Probe May Have Recorded First Sounds Of Marsquake

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George Berzsenyi mentored thousands of high school students in mathematics. Sara Stathas for NPR hide caption

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Sara Stathas for NPR

A Math Teacher's Life Summed Up By The Gifted Students He Mentored

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Laysan Albatross Kath Hudson/Hudson Works hide caption

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Kath Hudson/Hudson Works

Laysan Albatross: An Unexpected Attraction In Hawaii

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This illustration made available by NASA shows the Kepler space telescope, the planet-hunting spacecraft that launched in 2009. NASA via AP hide caption

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NASA via AP

Young Astronomer Uses Artificial Intelligence To Discover 2 Exoplanets

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An artist's rendering shows a needle-like carbon nanotube delivering DNA through the wall of a plant cell. It also may be possible to use this method to inject a gene editing tool called CRISPR to alter a plant's characteristics for breeding. Courtesy of Markita del Carpio Landry hide caption

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Courtesy of Markita del Carpio Landry

Scientists Thread A Nano-Needle To Modify The Genes Of Plants

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NASA's Opportunity rover used its navigation camera to capture this northward view of tracks in May 2010 during its long trek to Mars' Endeavour crater. NASA/JPL-Caltech hide caption

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NASA/JPL-Caltech

NASA's Mars Rover Opportunity Is Officially Declared Dead

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A team of researchers in Boston has developed an insulin-delivery system that injects the medicine directly into the stomach wall, which is painless. Felice Frankel/MIT hide caption

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Felice Frankel/MIT

Avoiding The Ouch: Scientists Are Working On Ways To Swap The Needle For A Pill

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Why Morning People May Have A Health Edge Over Night People

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NASA's rover Curiosity crawls up the side of Vera Rubin Ridge on Mars' surface in January 2018. Mount Sharp — a 3-mile-high mountain — can be seen in the distance. MSSS/ NASA/JPL-Caltech hide caption

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MSSS/ NASA/JPL-Caltech

Exploring The Mysterious Origins Of Mars' 3-Mile-High Sand Pile

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As a child on a New York farm, Eben Bayer helped his dad shovel wood chips in the barn. That's where he noticed a stretchy web of fungus that became the basis of his biodegradable packing material. NPR hide caption

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NPR

CHIME Pathfinder prototype radio telescope Keith Vanderlinde/Dunlap Institute hide caption

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Keith Vanderlinde/Dunlap Institute

Astronomers' New Tool May Help Solve Intergalactic Mystery

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The Chinese lunar lander Chang'e 4 is headed to Aitken Basin, a large impact crater near the moon's south pole, pictured here in blue. The distance from the depths of Aitken Basin to the tops of the highest surrounding peaks is nearly twice the height of Mount Everest, according to NASA. NASA/Goddard hide caption

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NASA/Goddard

China's Lunar Lander To Explore Moon's Far Side

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