Psionics involve the use of the mind to alter or command reality, typically through some understanding of a deeper truth about the universe or command over a fundamental law of reality.
It’s pretty cool, but I have trouble thinking of media where it takes a prominent role. The few examples that come to mind are:
Star Wars - The Force Mass Effect - Biotics/Element Zero technology Stellaris - Spiritualist Ethos Warhammer 40k - Psykers/Orks
What are some other examples of psionics in Sci-Fi?
Check out Babylon 5, telepaths are a major part of the story for so many reasons.
The creator of Babylon 5 has recently begun uploading every episode of the show to YouTube to watch for free, they release a new ep every 3 days
For anyone who wants to give it a try, here’s the season 1 playlist: https://m.youtube.com/playlist?list=PLGTv90eS-e4I