P ublic health officials in San Francisco said no "immediate action" is needed to protect public safety after airborne ...

Americium is one of the lesser-known synthetic elements, first created in 1944 during the Manhattan Project. The isotope of interest for space is americium-241. Its half-life is a staggering 432 years ...

Space explorations cannot rely on solar power alone. Especially when it comes to the far reaches of our solar system, the Sun ...

More than a half century after the U.S. ignited 67 atomic weapons in the central Pacific Ocean, a former Navy base in the Bay ...

According to a notice warning community groups in neighborhoods around the defunct base, the Navy notified the San Francisco Department of Public Health only this month about elevated levels of ...

It’s widely known that a smoke detector is a good ionizing radiation source, as they contain a small amount of americium-241, a side product of nuclear reactors. But what about other sources? [Carl ...

San Francisco Health Officer Dr. Susan Philip said plutonium was found at the decommissioned Hunters Point Naval Shipyard back in November 2024, according to a letter addressed to Navy officials in ...

Turning a Cold War relic into American kilowatts is not just smart, it is patriotic, profitable, and long overdue.

Plutonium can be used to make nuclear bombs. But it can also be recycled and used as a fuel in nuclear reactors. According to the authors of a Nature editorial, the UK—which has the largest civilian ...

WASHINGTON -- Sitting in a cold conference room, Siegfried Hecker was asked by his North Korean hosts if he would like to see their "product." "Yes," Dr. Hecker replied. "Do you mean plutonium?" ...

A fragment of plutonium sits in the University of California-Berkeley Hazardous Material Facility, locked in 6-foot-by-6-foot windowless room. It's been hanging around Berkeley for decades, like some ...