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 ...

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 ...

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 ...

Researchers have identified traces of plutonium that came to Earth from a distant supernova and landed in the bottom of the Pacific Ocean. “Just knowing that there’s plutonium there is amazing,” ...

Physicists have synthesized the element livermorium, which has the atomic number 116, using an unprecedented approach 1 that promises to open the way to new, record-breaking elements. The heaviest ...