Nothing makes me as skeptic as this subject, but the source of this news deserves some consideration.
https://physicsworld.com/a/physicists-spot-the-signatures-of-nuclear-fusion-in-a-table-top-device/
https://physicsworld.com/a/physicists-spot-the-signatures-of-nuclear-fusion-in-a-table-top-device/
For the first time, these parameters satisfied the conditions that theorists predict should allow nuclear fusion within a Z-pinch. FuZE was able to sustain a stable plasma for 16 µs, some 5000 times longer than the times achieved in static plasmas outside of a Z-pinch.