Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Nell Greenfieldboyce 2010
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Nell Greenfieldboyce

Pandemic Advances Scientific Understanding Of Viruses' Air Transmission

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Out Of This World: 2020's Amazing Achievements In Space

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Inside of the Blue Ice Drill tent, drillers Tanner Kuhl (left) and Elizabeth Morton (right) work with graduate students Austin Carter, Jacob Morgan and postdoctoral fellow Sarah Shackleton in Antarctica in 2019. John Higgins hide caption

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John Higgins

Scientists Have Found Some Truly Ancient Ice, But Now They Want Ice That's Even Older

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Star Of 'Contact' And 'GoldenEye,' Arecibo Telescope Collapses In Puerto Rico

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The African crested rat is the only mammal known to sequester lethal plant toxins. Stephanie Higgins hide caption

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Stephanie Higgins

For Rats That Coat Themselves In Poison, These Rodents Are Surprisingly Cuddly

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Scientists have used the New Horizons spacecraft, billions of miles from Earth, to measure the darkness of space. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute hide caption

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NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Scientists Discover Outer Space Isn't Pitch-Black After All

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An artist's rendering shows NASA's OSIRIS-REx spacecraft descending toward the asteroid Bennu to collect a sample of the asteroid's surface. NASA/Goddard/University of Arizona hide caption

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NASA/Goddard/University of Arizona

This mosaic image of asteroid Bennu is composed of 12 images collected on Dec. 2, 2018 by the OSIRIS-REx spacecraft from a range of 15 miles. NASA/Goddard/University of Arizona hide caption

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NASA/Goddard/University of Arizona

A NASA Spacecraft Successfully Touched Down On A Rocky Asteroid

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Matt Kasson

A Disturbing Twinkie That Has, So Far, Defied Science

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NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Pluto on July 14, 2015. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute hide caption

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NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Pluto Has White-Capped Mountains, But Not Because There's Snow

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Emmanuelle Charpentier and Jennifer A. Doudna have won the 2020 Nobel Prize in chemistry for their gene editing technique. Here, they are honored at the Breakthrough Prize award ceremony at the NASA Ames Research Center in California in 2014. Peter Barreras/Invision/AP hide caption

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Peter Barreras/Invision/AP

Images from NASA's Solar Dynamics Observatory highlight the appearance of the sun at solar minimum (left, December 2019) versus solar maximum (right, April 2014). NASA hide caption

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NASA

The images used to create this view of Venus were acquired by the Mariner 10 craft on Feb. 7 and 8, 1974. Decades after the Mariner 2 flew by the planet in 1962, much about the planet remains unknown. NASA hide caption

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NASA

A Possible Sign Of Life Right Next Door To Earth, On Venus

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An STS-125 crew member onboard the space shuttle Atlantis snaps a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle. Johnson Space Center/NASA hide caption

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Johnson Space Center/NASA

The Hubble Space Telescope Still Works Great — Except When It Doesn't

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