A handful of asteroids in our solar system are so dense that no element on Earth can explain their properties. Instead, they may be made of naturally occurring "superheavy elements" beyond those ...

Asteroid 33 Polyhymnia is at the center of an exciting new study that suggests it may hold elements that have never been observed on Earth. This groundbreaking research, published in The European ...

The periodic table of chemical elements hangs in front of chemistry classrooms and in science laboratories worldwide. Yet much was unknown about its history and evolution until now. "The moment I ...

In 1937, a piece of molybdenum plate arrived at the University of Palermo in Sicily. It had been shipped from the University of California, Berkeley, where it had been part of Ernest Lawrence’s ‘atom ...

The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table reflects ...