Researchers in Sweden have confirmed the existence of element 115. It sticks around for a surprisingly long time. Scientists believe it may bring them closer to the mythical "island of stability" a ...

The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

How heavy can an element be? An international team of researchers has found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A new element is set ...