WASHINGTON -- Five years of preparation, eight months collecting a few drops of precious radioactive material from a nuclear reactor in Tennessee, five trans-Atlantic flights, millions in research ...

The newest, heaviest element has been confirmed under laboratory conditions, and its synthesis could help produce even heavier cousins with all-new useful properties. Share on Facebook (opens in a new ...

"We just last month finished altering our tables," says Lisabeth Hoffman. "And now. . . " And now? Scientists, rejoice. Hoffman is a chemist who works for Sargent-Welch, a 150-year-old company that ...

Researchers have demonstrated a new way to make superheavy elements, offering a method to create element 120 — which would be the heaviest element ever made. Scientists at the Lawrence Berkeley ...