Where does the matter in our universe come from? It's a question that has puzzled scientists for generations, and one that ...

The Horn Antenna was the instrument used by radio astronomers Arno Penzias and Robert Wilson that detected a background noise, later discovered to be caused by cosmic microwave background radiation.

George Fitzgerald Smoot III, whose experiments about space provided some of the most convincing evidence that the universe ...

Jim Parsons in 'The Big Bang Theory'. Monty Brinton/CBS/Courtesy Everett Collection Although The Big Bang Theory‘s onscreen universe is expanding, don’t expect Jim Parsons to pay a visit to the Comic ...