Geoff Brumfiel

Geoff Brumfiel appears in the following:

Could Nuclear Power Aid In Travel To Mars?

Wednesday, February 24, 2021

Nuclear power is potentially dangerous. So is sending humans to Mars. But some researchers think a nuclear-powered rocket might be the best way to travel to the red planet.


Experts Ponder Nuclear Rockets To Send Humans To Mars

Wednesday, February 24, 2021

Nuclear rocket technology might be the fastest, safest way to get to the red planet. But if NASA wants to go, it should start development now.


More Than 80 Nations Sign On To A New Global Treaty To Prohibit Nuclear Weapons

Thursday, January 21, 2021

A new global treaty banning nuclear weapons will go into force on Friday. More than 80 countries have signed on to it — but none of them are countries that have nuclear weapons.


Pelosi Asks Military To Limit Trump's Nuclear Authority. Here's How That System Works

Friday, January 08, 2021

The House speaker told colleagues she had spoken with the chairman of the Joint Chiefs of Staff about keeping the nuclear codes from an "unhinged President."


Out Of This World: 2020's Amazing Achievements In Space

Monday, December 28, 2020

This has been a tough year for pretty much everyone on Earth. But things have been going much better in space. One of the big milestone was for NASA and the commercial company SpaceX.


Chinese Moon Probe To Return Lunar Samples Back To Earth

Friday, December 04, 2020

A Chinese probe has blasted off from the surface of the moon, carrying the first moon rock samples collected in over 40 years.


What Happens Next? The Aftermath Of An Iranian Scientist's Assassination

Thursday, December 03, 2020

The killing of a top Iranian scientist last week will likely complicate efforts to restart the Iran nuclear deal. Will Iran really throw out nuclear weapons inspectors?


Planetary Scientists Say It's Time To Explore Venus

Thursday, November 26, 2020

Three missions from Earth are currently headed to Mars. But some scientists are saying it's time to go to Venus, despite all the challenges in heading to Earth's toxic, volcanic planetary neighbor.


China Sends Robotic Mission To The Moon To Collect Rocks

Tuesday, November 24, 2020

The mission will land, take a sample and return to Earth. It's the first such sample-return mission in more than 40 years, and it will tell scientists about the age of the moon and planets.


Liftoff! Astronauts Head To Space Station On SpaceX Rocket

Sunday, November 15, 2020

Four astronauts are flying to the International Space Station aboard SpaceX's Dragon crew capsule. The mission is the first of what NASA hopes are many.


NASA Says It Found Water Molecules On The Moon's Surface

Monday, October 26, 2020

NASA has announced the discovery of water in a sunlit crater on the moon. The water is likely trapped inside of little glass beads and may one day be useful for astronauts visiting the surface.


Studies Point To Big Drop In COVID-19 Death Rates

Tuesday, October 20, 2020

More hospitalized patients are surviving than early in the pandemic. Improved treatments make a big difference, but so does flattening the curve to keep hospitals from overfilling, researchers say.


3 Scientists Awarded Nobel Prize In Physics For Discoveries Related To Black Holes

Tuesday, October 06, 2020

The prize goes to Roger Penrose, Reinhard Genzel and Andrea Ghez. Ghez says she hopes it will inspire young people, and particularly women, to pursue careers in science.


New Chinese Space Plane Landed At Mysterious Air Base, Evidence Suggests

Wednesday, September 09, 2020

The mission took place this past weekend, shrouded in secrecy, but some clues are emerging about what China sent into space, and why.


President Trump's New COVID-19 Adviser Is Making Public Health Experts Nervous

Friday, September 04, 2020

Dr. Scott Atlas is a radiologist from Stanford with some unorthodox ideas about managing the pandemic. The White House says his thinking is just what's needed, but scientists aren't so sure.


Who's The President's New Coronavirus Adviser? What's His Plan For Managing Pandemic?

Thursday, September 03, 2020

NPR's White House and science correspondents discuss President Trump's new top coronavirus adviser, Scott Atlas, and his approach to dealing with the pandemic.


A Look At The History Of The Nagasaki Bombing, 75 Years Later

Saturday, August 08, 2020

75 years ago this weekend, the U.S. killed tens of thousands when it dropped an atomic bomb on Nagasaki, Japan. It was a mission marked by arbitrary decisions, technical problems, and bad weather.


Satellite Images Show Aftermath Of Beirut Blast

Wednesday, August 05, 2020

The massive explosion leveled the city's port and scattered debris across a road thousands of feet away. The blast killed at least 100 people and injured thousands more.


Without A Vaccine, Researchers Say, Herd Immunity May Never Be Achieved

Friday, July 24, 2020

A growing number of researchers think until there's an effective vaccine, the coronavirus will simply persist in the population, causing illness indefinitely. Better to squelch the spread instead.


Herd Immunity Response To COVID-19 Pandemic Can Be Problematic

Thursday, July 23, 2020

As the pandemic drags on, researchers are increasingly doubtful that so-called "herd immunity" can be reached without a vaccine. Many now believe COVID-19 may be around forever.