Changing an atom in a molecule using light? This South Korean scientific breakthrough could revolutionize the pharmaceutical industry. Replacing a single atom in a molecule without altering the others ...

John Clarke, John Martinis and Michel H. Devoret will share this year’s physics Nobel for their discovery in the mid-1980s ...

Virtual particles may not be real, but they help physicists track how forces move, and allow for incredibly precise measurements in particle physics.