Questions regarding a theoretical 'tunnel' through spacetime which could potentially allow time travel.

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What is the difference between a black hole and a wormhole?

I heard people say that a black hole is a single point of no return, and a wormhole is something which leads to another far-off point in spacetime. Some also say that a black hole can become a ...
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What would happen if a wormhole gets swallowed by a black hole?

Assume wormholes exist: one hole allows matter to pop out of another hole somewhere else in the universe. If one end of the wormhole is swallowed by a black hole then no information can get from that ...
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Is a Wormhole a tunnel? [closed]

In films such as Interstellar, 2001: A Space Odyssey, and Contact (and also Star Trek Deep Space Nine) wormholes are depicted as tunnels along the edges of which fantastical colours and shapes lie. ...
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What is a wormhole?

I have learned that there are white holes and black holes in the universe, but I am confused as to what a wormhole is. Is it a tunnel that connects black and white holes?