For the first time, physicists have observed a strange molecule called the butterfly Rydberg molecule – a weak pairing of highly excitable atoms that was first predicted back in 2002. The find not ...

A newly discovered rare "Rydberg" molecule has upheld the scientific theory predicting the molecule existed. Chemists used a gas of rubidium atoms cooled to a temperature of 3 millionths of a degree ...

Making a connection: An artist's impression of a Rydberg atom bonded to an ion. (Courtesy: Danyel Cavazos) A novel type of molecule that is longer than some kinds of bacteria has been detected by ...