Which of these is a theoretical passage through space creating a shortcut through time and space?

“Researchers have no observable evidence of wormholes “ . If you are looking at one end of a wormhole and the other end is 50 years in the past, how would you know what you are looking at. Similarly if one end was on the moon and the other is in Alpha Centauri, how would you even know?

thanks to Star Trek, for the answer to that one!?

Uninitialized, Really ? What about the Apollo astronauts ?!