First off, i live in Europe, so i honestly don't know too much about politics in other parts of the world, other than what i sometimes see in the news. I hope my innocent question doesn't trigger any nastiness.

My question is; in discussions i see only talk about democrats vs republicans, for instance discussions only about Biden and/or Trump. But my understanding is that there are other political parties one can vote for. However, i never see any mention of them. So, is it that most people are not interested in those? Or maybe they don't get enough media time? Or are they seen as too extreme? Are the US basically a two-party system? And does it change over time? There are a lot of worries in the world - i don't need to name all of them - but this seems to trigger more extreme views. Does this mean that those other parties attract more voters nowadays?