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Nell Greenfieldboyce

Nell Greenfieldboyce is a NPR science correspondent.

With reporting focused on general science, NASA, and the intersection between technology and society, Greenfieldboyce has been on the science desk's technology beat since she joined NPR in 2005.

In that time Greenfieldboyce has reported on topics including the narwhals in Greenland, the ending of the space shuttle program, and the reasons why independent truckers don't want electronic tracking in their cabs.

Much of Greenfieldboyce's reporting reflects an interest in discovering how applied science and technology connects with people and culture. She has worked on stories spanning issues such as pet cloning, gene therapy, ballistics, and federal regulation of new technology.

Prior to NPR, Greenfieldboyce spent a decade working in print, mostly magazines including U.S. News & World Report and New Scientist.

A graduate of Johns Hopkins, earning her Bachelor's of Arts degree in social sciences and a Master's of Arts degree in science writing, Greenfieldboyce taught science writing for four years at the university. She was honored for her talents with the Evert Clark/Seth Payne Award for Young Science Journalists.

When a robotic probe finally lands on a watery world like Jupiter's moon Europa, what do scientists have to see to definitively say whether the place has any life?

That's the question retired astronaut John Grunsfeld posed to some colleagues at NASA when he was in charge of the agency's science missions.

Around the corner from the famous Diamond District in New York City, David Weinstein sorts through some envelopes on his cluttered desk. All of them are full of diamonds.

"I deal with diamonds all day long, for three decades," says Weinstein, executive director of the International Gemological Institute, a commercial testing laboratory. "To me, diamonds aren't anything spectacular. It's hard to get me to say, 'Wow!' "

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The good news for those worried that the U.S. will lose its leadership role in confronting climate change: President-elect Donald Trump said Tuesday, "I have an open mind to it. ... I do have an open mind."

At a meeting Tuesday with New York Times journalists and executives, Trump said he thinks "there is some connectivity" in terms of human activity causing climate change.

A rusty-brown rock found on a beach by a fossil hunter might contain a bit of preserved dinosaur brain.

If so, it would be the first time scientists have ever found fossilized brain tissue from a dinosaur.

The fossil comes from a species closely related to Iguanodon, a large herbivore that lived about 130 million years ago. A collector named Jamie Hiscocks found it in 2004, near Bexhill in the United Kingdom.

When scientists recently announced that they had discovered a new planet orbiting our closest stellar neighbor, Proxima Centuri, they also released an artist's conception of the planet.

On Election Day this November, about 1 in 4 Americans will vote using a device that never lets the voter see a copy of his or her vote on paper.

On Friday, the Rosetta spacecraft will smack into the icy surface of the comet 67P/Churyumov-Gerasimenko and go silent. Scientists with the historic mission are wondering how they'll feel as the orbiter makes its death-dive toward the comet that has been its traveling companion for more than two years.

Scientists have seen what might be plumes of water vapor erupting out of the icy surface of Jupiter's moon Europa, suggesting that its subsurface ocean could be probed without having to drill through miles of ice.

That's according to new findings from images captured by NASA's Hubble Space Telescope that were released Monday and that will be published this week in The Astrophysical Journal.

A mysterious glowing "blob" in outer space has puzzled astronomers for more than 15 years. Now, a team of researchers says it has uncovered the secret behind the blob's eerie light.

The blob was first spotted back in the late 1990s by Chuck Steidel, an astronomer at Caltech, and some colleagues. They were observing a bunch of galaxies in the distant reaches of the universe, he recalls, "but we also saw these big blotchy things."

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