Streams

Joe Palca

Joe Palca appears in the following:

Some Assembly Required: New Space Telescope Will Take Shape After Launch

Monday, November 28, 2016

The James Webb Space Telescope is undergoing its final series of tests in NASA workshops. It's designed to take even grander images than the Hubble telescope. But deploying it will be a major feat.

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NASA's New 'Intruder Alert' System Spots An Incoming Asteroid

Sunday, October 30, 2016

A space rock zipped by Earth on Sunday night. Astronomers knew it didn't pose a threat, in part thanks to a new automated warning program called Scout.

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A Friend For Pluto: Astronomers Find New Dwarf Planet In Our Solar System

Tuesday, October 11, 2016

The object known for now as 2014 UZ224 is only about 330 miles across and takes 1,100 years to orbit the sun. But one of the most interesting things about it is the way researchers found it.

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This Scientist Is Trying To Unravel What Sugar Does To The Brain

Tuesday, October 04, 2016

Molecular biologist Monica Dus is studying fruit flies to understand how a high sugar diet affects the brain and leads to overeating and obesity. And she just won a big grant to dig deeper.

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A Revolution That Didn't Happen: Personal Rapid Transit

Monday, October 03, 2016

In 1975, the Personal Rapid Transit in Morgantown, W.Va., was expected to usher in a new age of public transit nationally. It didn't. Still, the aging system is getting a $100-million upgrade.

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A Teen Might Pick The Landing Site For NASA's Next Mars Rover

Sunday, September 04, 2016

Alex Longo hopes to be the first person to walk on Mars. In the meantime, the Raleigh, N.C., sophomore has suggested a landing site for the next rover mission. His pick is one of four finalists.

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NASA Probe Takes First-Ever Close-Up Images Of Jupiter's North Pole

Friday, September 02, 2016

"It's bluer in color up there than other parts of the planet, and there are a lot of storms," a Juno mission leader says of the gas giant's northern reaches.

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Astronomers Are On A Celestial Treasure Hunt. The Prize? Planet Nine

Saturday, August 13, 2016

Earlier this year, a pair of scientists predicted the existence of a ninth planet based on computer modeling of the solar system. This fall, the race is on to be the first to spot it in a telescope.

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Young Inventors Work On Secret Proteins To Thwart Antibiotic-Resistant Bacteria

Tuesday, August 09, 2016

Many of the most powerful antibiotics have lost their punch. Some Stanford students think they've found a different way to attack bacteria that the germs can't overcome.

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How A Wave Is Unlike An Armadillo: One Reporter's Summer Puzzle

Monday, August 08, 2016

"There's something about waves that can get you into kind of a mental funk," one philosopher says. For NPR's summer science series, Joe Palca tries to answer the big question: What is a wave?

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Team Of Researchers Dig Up New Compound In An Unlikely Spot: Our Noses

Wednesday, July 27, 2016

Scientists in Germany have found a potentially powerful antibiotic that can kill dangerous bacteria. Maybe the most impressive thing about the new compound is where scientists found it: the human nose.

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NASA's Jupiter Probe Sends First Pics Of Planet From Orbit

Wednesday, July 13, 2016

The color image shows Jupiter's giant red spot and three of its moons: Io, Europa and Ganymede.

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'Star Trackers' Help Juno Find Its Way

Sunday, July 03, 2016

Space navigation is tricky. There's no up or down, no left or right, and no road signs. This device uses stars to help determine if a spacecraft is off course. It takes nifty pictures, too.

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Juno Space Probe Is Set To Enter Jupiter's Orbit On Monday

Sunday, July 03, 2016

The craft is designed to glean data from Jupiter that could also help us learn how Earth formed. But first, Juno has to get into orbit — determined by a crucial half-hour of firing by its main engine.

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Cancer Scientist Jams With Willie Nelson One More Time

Thursday, June 09, 2016

Joe Palca was fresh out of college in 1975 when he got a job as a lab tech, working for a young scientist and country music fan who would one day harness the immune system to fight cancer.

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A Scientist's Dream Fulfilled: Harnessing The Immune System To Fight Cancer

Thursday, June 09, 2016

Melanoma can be a deadly skin cancer, but 10 years ago, biologist Jim Allison figured out a way to tweak the body's immune system to go after those malignant cells. Some patients are now cancer-free.

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Meet Climate Scientists Tessa Hill And Jessica Hellmann

Thursday, June 09, 2016

Tessa Hill and Jessica Hellmann are today's Science Ask Me Anything (AMA) guests on Reddit. NPR's Joe Palca sits down with them to talk about climate change and science communication.

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Army's Smart Earplug Damps Explosive Noise, But Can Enhance Whispers

Friday, June 03, 2016

Many combatants return from the battlefield with hearing loss. The U.S. Army has begun deploying a "smart earplug" system that can protect hearing without blocking crucial sounds.

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#NPRreads: 4 Reads To Keep You Young This Weekend

Saturday, May 28, 2016

Correspondents, editors and producers from our newsroom share the pieces that have kept them reading, using the #NPRreads hashtag. Each weekend, we highlight some of the best stories.

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NASA's Attempt To Inflate Its Expandable Space Module Fizzles

Thursday, May 26, 2016

The module known as BEAM can be folded so it takes up less room in a cargo rocket, and then expanded once it reaches space. Or at least that's the hope.

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