The story of caesium’s discovery concerns three men – two men who worked in tandem to announce their discovery on May 10, ...

The National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever ...

Neutrinos and antineutrinos are elementary particles with small but unknown mass. High-precision atomic mass measurements have revealed that beta decay of the silver-110 isomer has a strong potential ...

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

Atoms come together in hopes of becoming more stable, thus making some of the most essential compounds we know today – carbon dioxide, water, salt, and acids. Atomic elements are arranged on the ...