Geoff Brumfiel appears in the following:
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.
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 ...
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.
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.
Tuesday, February 09, 2016
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 ...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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, ...