A study by researchers at the University of Oxford, University of Leeds, and University College London has identified a new ...

Researchers used atomic-scale computer simulations to discover the importance of carbon in forming a solid planetary core.

Chemical & Engineering News (C&EN): Keeping you up to date with the chemistry news that matters most. Published by the American Chemical Society.

The last time international chemistry agencies really altered the periodic table was in 2009, when IUPAC decided to list the atomic weights of some elements as ranges, instead of single numbers.

How do scientists organize all the elements in the universe?

Back Story – Chemistry by committee Atomic weight refers to the averaged mass of the atoms of a chemical element using a scale based on a standard atomic nucleus.

All the latest science news on atomic mass from Phys.org. Find the latest news, advancements, and breakthroughs.

An international governing body has adopted a new definition of atomic mass (aka atomic weight) changing from specific values to intervals of masses to resolve 15 years of debate on one of the ...

Photograph of an Arctic research station outside Utqiagvik, Alaska, where chemists directly detected atomic bromine in the atmosphere for the first time.