An Australian man described as a "science nerd" may face jail time, after attempting to collect all the elements in the ...

After a year of fastidious planning, a microscopic sample of the ultra-rare radioactive element berkelium arrived at a ...

Physicists have measured a nuclear reaction that can occur in neutron star collisions, providing direct experimental data for ...

The roof of the power plant, they argue, has become "the most dangerous place on earth ... The researchers detected "elevated levels" of radioactive elements like americium, cesium, and ...

Fusion is among the most environmentally friendly sources of energy ... force to change only the electronic structure of atoms. Fission splits a heavy element (with a high atomic mass number) into ...

For example, most carbon (≈ 99 %) has 6 protons and 6 neutrons ... Stable isotopes do not decay into other elements. In contrast, radioactive isotopes (e.g., 14C) are unstable and will decay into ...

AT the beginning of this century, one of the facts most intriguing to chemists was the impossibility of concentrating some of the radioactive elements. Radium D, for example, a substance well ...