Geoff Brumfiel

Geoff Brumfiel appears in the following:

U.S. Navy Brings Back Navigation By The Stars For Officers

Monday, February 22, 2016

A decade after phasing out celestial navigation from its academy courses, the U.S. Navy has restarted that formal training. The shift comes at a time of growing anxiety over possible threats to GPS.


Einstein, A Hunch And Decades Of Work: How Scientists Found Gravitational Waves

Friday, February 12, 2016

On Thursday, researchers announced the discovery of gravitational waves --wrinkles in the very fabric of space-time.

But behind the headlines and news conferences were decades of hard work, hundreds of scientists and more than a billion dollars in taxpayer funds.

"It's profoundly satisfying that it came out the way ...


As Black Holes Collide, Scientists Detect Gravitational Waves

Friday, February 12, 2016

Scientists have seen gravitational ripples from two black holes colliding. The discovery is the culmination of decades of work. Albert Einstein first predicted such ripples should exist a century ago.


In Milestone, Scientists Detect Gravitational Waves As Black Holes Collide

Thursday, February 11, 2016

A U.S.-led team says it has seen waves in space-time from two black holes merging together. It is the first time humanity has directly detected such waves.


Scientists Aflutter Over Gravitational Wave Rumors

Tuesday, February 09, 2016

Researchers may have detected gravitational ripples from the collision of two black holes, according to rumors circulating in emails and on blogs.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is planning a major announcement for Thursday morning. For now, scientists directly involved in the project are staying quiet ...


Forget Chess. A.I. Masters Wickedly Complex, Chinese Game Of 'Go'

Wednesday, January 27, 2016

A computer has bested humanity at one of the most complex strategy games ever devised.

Researchers at Google have developed a program that can excel at the game of "go," which originated in China and is considered a tougher problem for a machine than other strategy games such as ...


Massive Space Telescope Is Finally Coming Together

Monday, January 25, 2016

In a NASA facility just outside Washington, D.C., workers are building the James Webb Space Telescope, an $8 billion successor to the Hubble. It'll be the largest ever, and it's set to launch in 2018.


Stomach Of Ancient Iceman Held Microbes Like Ours

Thursday, January 07, 2016

Scientists analyzed the tummy of a 5,300-year-old ice mummy and found bacteria that many modern humans still carry.


The U.S. Isn't Buying North Korea's Claim Of An H-Bomb Test

Wednesday, January 06, 2016

North Korea says it detonated a powerful hydrogen bomb on Wednesday. But the White House says it doesn't believe the claim.


SpaceX Successfully Lands Rocket After Launching It Into Space

Tuesday, December 22, 2015

SpaceX, the commercial aerospace company, pulled off a major feat Monday night. After pushing satellites towards orbit, the rocket's booster separated, and safely landed back on earth.


Watchdog Pulls Back Curtain On Iran's Nuclear Weapons Program

Wednesday, December 02, 2015

A new report from the International Atomic Energy Agency details the covert program, which ran until 2003. But experts say the findings are unlikely to derail Iran's nuclear deal with world powers.


Blue Origin Announces Successful Launch, Landing Of Rocket

Tuesday, November 24, 2015

Commercial space startup Blue Origin announced Tuesday the successful launch and landing of one of its rockets. NPR explores what the success means for space travel.


Astronomers Spot Most Distant Object So Far In The Solar System

Wednesday, November 11, 2015

A random search has turned up a dwarf planet orbiting roughly 10 billion miles away. The far-off world is tiny, and probably very, very cold.


Did Exxon Mobil Lie To The Public About The Risks Of Climate Change?

Friday, November 06, 2015

Exxon Mobil is being investigated for keeping climate change research from investors. Since 2007, it has disclosed to shareholders about potential risks posed to its bottom line by climate change.


Researchers Reveal How Climate Change Killed Mars

Thursday, November 05, 2015

Mars used to be much warmer and wetter than it is today. Scientists are unraveling the mystery of why it dried out.


Physicists Probe Antimatter For Clues To How It All Began

Wednesday, November 04, 2015

Physicists don't know why there's more matter than antimatter in our universe. New research smashed together atoms of pure gold to look for clues.


NASA Spacecraft To Skim Past Saturn's Icy Moon

Tuesday, October 27, 2015

The Cassini probe will pass within just 30 miles of Saturn's moon Enceladus. The goal is to search for signs of habitability.


Why Hurricane Patricia Can't Be Blamed On Climate Change

Friday, October 23, 2015

Hurricane Patricia's record-breaking winds come as a powerful El Niño heats the Pacific Ocean. But researchers say that's not enough to blame climate change for the storm's rapid strengthening.


How Do You Find Plutonium? Go To Nuclear Inspector School

Monday, October 19, 2015

A nuclear agreement with Iran hinges on the work of nuclear inspectors. Here's a close-up look at how they train to do their job.


Distant Pluto Comes To Life

Thursday, October 15, 2015

Pluto is not dead. That's the bottom line, according to new research published in the journal Science. The dwarf planet is home to mountains, glaciers and a hazy atmosphere that stretches for a hundred miles above the surface.

"It is this really active dynamic world," says Cathy Olkin, ...