February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary formation processes ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

President Trump indicated Monday he wants a deal for rare earth elements and other items from Ukraine in exchange for ...

A vast field of tall, skinny trees sways in a light breeze. In the future, poplar trees in a scene like this could be a ...