Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

Monarch butterflies' white spots may help them fly farther, scientists say

Wednesday, June 21, 2023

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.


Humans traveled less during COVID restrictions. Animals traveled more

Thursday, June 08, 2023

Animals being tracked by scientists tended to travel longer distances in the early months of the pandemic, when people stayed home. The wildlife also ventured closer to roads.


For Black drivers, a police officer's first 45 words are a sign of what's to come

Wednesday, May 31, 2023

A study finds a Black driver is more likely to face being searched, handcuffed or arrested when an officer's first words are commands rather than a greeting. (Story aired on ATC on May 29, 2023.)


For Black drivers, a police officer's first 45 words are a portent of what's to come

Monday, May 29, 2023

A Black driver is more likely to face being searched, handcuffed, or arrested when a police officer's first words are commands rather than a greeting or an explanation.


The James Webb Space Telescope reveals a mysterious planet to be weirdly shiny

Wednesday, May 10, 2023

Astronomers pointed the James Webb Space Telescope at a common kind of planet that's bigger than Earth but smaller than Neptune. What they saw wasn't what they expected.


This star ate its own planet. Earth may share the same fate

Wednesday, May 03, 2023

For the first time, astronomers have caught a star in the act of swallowing a planet, providing a glimpse into how the sun may eventually eat up Earth.


Welcome to the mammalverse: Scientists sequence DNA from 240 species around the world

Thursday, April 27, 2023

Researchers have examined the genomes of 240 mammal species. The project reveals when mammals evolved, how some developed the ability to hibernate, and clues that may help explain humans' brains.


A year after New Mexico's biggest wildfire, victims have yet to see billions in aid

Monday, April 17, 2023

Congress set aside $2.5 billion for victims of New Mexico's biggest wildfire, started by accident by the U.S. Forest Service. A year after the fire, distributing that money is still in the works.


This floating ocean garbage is home to a surprising amount of life from the coasts

Monday, April 17, 2023

A study of plastic trash hauled out of the Pacific Ocean found that most of it had been colonized by coastal life that was thriving right next to species that normally live in the open sea.


Goodbye fuzzy donut: The famous first black hole photo gets sharpened up

Thursday, April 13, 2023

Scientists have created a new version of a historic black hole image that was first unveiled back in 2019. The central black nothingness now looks larger and darker.


NASA assigns astronauts to enter lunar orbit for the first time in decades

Monday, April 03, 2023

NASA has assigned astronauts to the first mission to bring humans to lunar orbit since the Apollo program more than a half century ago.


Scientists think they know why interstellar object 'Oumuamua moved so strangely

Wednesday, March 22, 2023

A strange comet-like object discovered over five years ago was the first known visitor from another solar system. Its movement was so odd that scientists struggled to explain it, until now.


Stone flakes made by modern monkeys trigger big questions about early humans

Friday, March 10, 2023

Monkeys using stones to crack open nuts generate many stone flakes accidentally that look exactly like the ones archaeologists have long thought early humans made intentionally as tools. Oops.


Astronomers still have their eyes on that asteroid NASA whacked

Saturday, March 04, 2023

NASA's Double Asteroid Redirection Test slammed a spacecraft into an asteroid, directly altering its path through space. Scientists are still studying the space rock to learn more.


Scientists find signs of horse riding in ancient human remains

Friday, March 03, 2023

Researchers have found evidence of horseback riding in skeletal remains of people who lived about 5,000 years ago, adding to a body of research on when people first started using horses to get around.


NASA made history by knocking an asteroid off course. Now, it's publishing the data

Wednesday, March 01, 2023

Scientists are finally publishing all the details of what happened when a NASA spacecraft smashed into an asteroid to try to push it off course in September of 2022.


Scientists are flying into snowstorms to explore winter weather mysteries

Monday, February 27, 2023

A plane loaded with scientists and their equipment has been flying through frozen skies this winter, sampling cloud particles to improve predictions of which storms will wreak havoc on the ground.


Here's why Jupiter's tally of moons keeps going up and up

Thursday, February 09, 2023

The first astronomer to discover moons around Jupiter was Galileo, back in the year 1610, but astronomers are still finding more and more moons around this gas giant.


What's the fairest way to share cosmic views from Hubble and James Webb telescopes?

Tuesday, February 07, 2023

Astronomers are debating how quickly the observations of the Hubble Space Telescope and the James Webb Space Telescope should be made public.


James Webb Space Telescope managers weigh whether to release its data right away

Monday, February 06, 2023

Astronomers who win time to use space telescopes typically get a period of time when they alone can see the resulting data. But telescope managers are considering making all data public immediately.