Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

Let's begin with the simplest class of organic compounds: hydrocarbons. Hydrocarbons contain only carbon and hydrogen atoms.

MIT researchers have devised a new molecular technique that lets electrons probe inside atomic nuclei, replacing massive particle accelerators with a tabletop setup. By studying radium monofluoride, ...

The oxidation number, also known as the oxidation state, is a crucial concept in chemistry used to track the hypothetical ...

An international team of astronomers has created the first-ever large-scale maps of a mysterious form of matter, known as ...

Physicists at MIT have developed a new way to probe inside an atom's nucleus, using the atom's own electrons as "messengers" ...