Scientists working at the Joint Institute for Nuclear Research in Dubna, Russia, had found hints in 2002 of a new superheavy chemical element with 118 protons. A 2006 paper from the team reports a series of experiments that confirm the new element, the heaviest ever produced in the lab. Element 118 is eventually named Oganesson in honor of one of its discoverers.
About element 118:
Yuri Oganessian introduces how they discover element oganesson: