San Francisco officials waited nearly a month to alert Hunters Point Shipyard neighbors about radioactive reading while ...

The plutonium-244 hints at how heavy metals form in stars. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A rare version of the radioactive ...

Remnants of a supernova called Cassiopeia A, located in our galaxy about 11,000 light-years from Earth. Scientists have long thought that supernovae were responsible for the creation of the heaviest ...

The rare form of the element found on the Pacific seabed points to its violent birth in colliding stars. By William J. Broad Scientists studying a sample of oceanic crust retrieved from the Pacific ...

Elements that do not exist in nature—that have been created in a laboratory—are unstable. After hours or days of one element bombarding another with enough energy for both to fuse, the resulting new ...

WASHINGTON — While NASA and the Department of Energy (DOE) have restarted production of a plutonium isotope used to power some space missions, a new report warns of challenges that could threaten its ...

So what is the site about? 94 Elements is a documentary film project about how people interact with the chemical elements. In its format (short films) and its structure (one film about each element), ...

Traces of rare forms of iron and plutonium have been found at the bottom of the Pacific Ocean, after some kind of cataclysm in outer space created this radioactive stuff and sent it raining down on ...