The crossword solutions for the term 'BILL ___, TV'S SCIENCE GUY' are NYE (3 letters), NYES (4 letters) and NOVA (4 letters). The answer is Bill Nye, an American science communicator, television presenter, and mechanical engineer. He is best known as the host of the Disney/PBS children's science show Bill Nye the Science Guy (1993–1998) and for his many subsequent appearances in popular media as a science educator. He has also written several books as an advocate for scientific skepticism and the scientific method.