You are viewing the "Nell Greenfieldboyce | NPR" Archives
NASA is getting ready to collect its first sample from an asteroid ever. The rocks and dust could help us understand potentially dangerous space rocks and the history of the solar system.
None of us is perfect, and sometimes the Hubble Space Telescope just flat-out points to the wrong spot in the sky. This has been happening more than ever in the last couple of years.
NASA and SpaceX are welcoming home two astronauts who splashed down safely in the Gulf of Mexico after several months on the International Space Station.
Given the choice between an animal and a human, the Aedes aegypti species prefers … us. A new study explains how that happened.
Moss balls seem to roll around glaciers in a coordinated way, and researchers can’t explain why the whole group moves at about the same speed and in the same direction.
A scientific brief from the World Health Organization says “current evidence” points to infectious respiratory droplets passed in “close contact” situations, but some say it’s too soon to be sure
Move over, fruit flies, rats and zebrafish. Squid and octopuses have elaborate brains and behaviors, and scientists say studying them in the laboratory could yield important biological insights.
A fictitious asteroid is the focus of a realistic exercise, as experts at the Planetary Defense Conference run through how the Earth would respond to news of a looming asteroid strike.
The twin sites in the Laser Interferometer Gravitational-Wave Observatory are about to go back online. New hardware should make them able to sense more colliding black holes and other cosmic events.
Scientists say Ultima Thule, a newly explored world out beyond Pluto, is a relic from our solar system’s earliest days.
Three women have accused the astrophysicist of inappropriate behavior. One says she quit her job on his TV show Cosmos because of it.
Scientists have detected plenty of planets outside our solar system. Now, they say, they’ve found the first moon circling one of them.
Leaders make decisions for a group in the same way they make choices for themselves, a study suggests. They don’t change their decision-making behavior, even when the welfare of others is at stake.
Many spiders ply the skies by riding “balloons” of silk. And they rely on something more than just the wind to take them high up and far away.
Scientists and National Institutes of Health officials met with alcohol company executives and appeared to solicit money from them in violation of government policy. The NIH canceled the study.
Research shows that bees possess a mathematical ability once thought to exist only in dolphins, primates, birds and humans who are beyond the preschool years.
Scientists are trying to figure out how green-blooded lizards might benefit from the unusual pigment. The answer could provide new insights into human illnesses like jaundice and malaria.
Congress passed an amendment in 1996 limiting the Centers for Disease Control’s ability to study gun control. That may change with the new budget, but gun violence researchers aren’t impressed.