A: Some people think that an atom is the smallest form of matter, but it’s not. Every atom is made up of subatomic particles – protons, electrons and sometimes neutrons. Protons themselves are now ...

They say you can never trust an atom because they make up everything. This week, we’re shrinking down and getting literally into the heart of the matter. We’ve covered the periodic table and all its ...

Ever wonder what an atom might sound like, if you could tap it like a tuning fork? Wonder no more, scientists say; they report they've managed just such a "tap" and recorded the result. Researchers at ...