The first-known observations of matter–antimatter asymmetry in a decaying composite subatomic particle that belongs to the ...

Bohr’s Model of an Atom: Students get to know the Bohr’s Model of an Atom. Find out what are its limitations and the postulates it is based on.

This is the first X-ray taken of a single atom SX-STM enables detection of atom type, simultaneous measurement of its chemical state.

However, his “New” model for the atom, developed with Ernest Rutherford, remains one of the most remarkable intellectual feats in physics and is still taught to millions of young minds every year.

Science From Democritus to Einstein, the long search for the tiny atom Their existence was posited 2,500 years ago, and they were thought to be ‘indivisible’ Expand Cormac O'Raifeartaigh ...

Niels Bohr's model of the hydrogen atom—first published 100 years ago and commemorated in a special issue of Nature—is simple, elegant, revolutionary, and wrong. Well, "wrong" isn't exactly ...

One hundred years ago, Ernest Rutherford decided to shoot some stuff at atoms and toppled then-current atomic theory. Physicist and blogger Rhett Allain walks through the rise of six atomic models.