Geoff Brumfiel

Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include climate and environment, while his reporting focuses on the intersection of science and national security.

From April of 2016 to September of 2018, Brumfiel served as an editor overseeing basic research and climate science. Prior to that, he worked for three years as a reporter covering physics and space for the network. Brumfiel has carried his microphone into ghost villages created by the Fukushima nuclear accident in Japan. He's tracked the journey of highly enriched uranium as it was shipped out of Poland. For a story on how animals drink, he crouched for over an hour and tried to convince his neighbor's cat to lap a bowl of milk.

Before NPR, Brumfiel was based in London as a senior reporter for Nature Magazine from 2007-2013. There, he covered energy, space, climate, and the physical sciences. From 2002 – 2007, Brumfiel was Nature Magazine's Washington Correspondent.

Brumfiel is the 2013 winner of the Association of British Science Writers award for news reporting on the Fukushima nuclear accident.

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Commercial satellite imagery of a facility near Pyongyang suggests that North Korea is preparing to launch a missile or space rocket in the near future.

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North Korea's main nuclear reactor for making weapons-grade plutonium may be operating, just days before this week's summit between President Trump and North Korean leader Kim Jong Un.

Updated at 5:40 p.m. ET

Satellite imagery of a space launch center in northern Iran suggests a second attempt to launch a satellite has failed.

The imagery, taken Wednesday by San Francisco-based company Planet and shared with NPR, shows burn scars on a newly painted launchpad at the Imam Khomeini Space Center. The burns appeared after days of activity at the site, which suggested Iran had been preparing for a launch.

At a Russian base on the Baltic Sea, construction is underway to house a new generation of nuclear-capable missiles.

Tentlike structures have popped up to shelter the mobile missile system, known as Iskander, which is capable of firing weapons with both conventional and nuclear warheads. Recent satellite imagery of the territory, known as Kaliningrad, also shows that old buildings on the base are being demolished.

The U.S. Department of Energy has started making a new, low-yield nuclear weapon designed to counter Russia.

The National Nuclear Security Administration says production of the weapon, known as the W76-2, has begun at its Pantex Plant in the Texas Panhandle. The fact that the weapon was under production was first shared in an e-mail to the Exchange Monitor, an industry trade magazine, and independently confirmed by NPR.

Updated at 5:47 p.m. ET

President Trump unveiled a sweeping plan Thursday to defend the U.S. and its allies from missile attack.

The plan is the first update to the nation's missile defense strategy in nearly a decade, but in many ways it is reminiscent of President Ronald Reagan's Strategic Defense Initiative, a pie-in-the-sky program that was later dubbed "Star Wars."

About once a day, little satellites zip over northern Iran and snap a few pictures of the Imam Khomeini Space Center. The satellites, operated by a company in San Francisco called Planet, haven't recorded much — until recently.

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Big, important scientific breakthroughs are built of small, incremental experiments. And the partial government shutdown is already interfering with some of that research.

Scientists often depend on the government for grant funding, expertise and — in some cases — even regulatory approval. With the shutdown, some researchers are missing those key elements of scientific collaboration. Here's how some scientists say the shutdown is affecting their work.

Carbon dioxide emissions in the U.S. are on the rise again after several years of decline, and a booming economy is the cause.

That's according to a report out today from the Rhodium Group, an independent research firm that tracks CO2 emissions in the U.S.

Updated at 8:35 p.m. ET

Shoot it down. Jam it. Use a missile or maybe a net.

There's no shortage of ideas about how to stop a drone, but as the past few days at London's Gatwick Airport show, the reality is far more difficult.

From Wednesday night to Friday morning, flights in and out of Gatwick were halted after a small drone, or perhaps multiple drones, were spotted over the airfield. Hundreds of flights were canceled and thousands of passengers saw their holiday travel plans grounded.

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