Could the Sun ever randomly explode?

No — the Sun can’t randomly explode.

It’s too small to go supernova. Explosions like that happen to stars at least about 8 times the Sun’s mass. The Sun is stable because gravity and nuclear fusion are in balance.

What will happen instead: in about 5 billion years, it will swell into a red giant, shed its outer layers, and leave behind a white dwarf. That’s a slow, predictable ending, not a sudden blast.

The Sun can have solar flares and coronal mass ejections, and a very strong one could disrupt satellites and power grids, but it won’t blow up the Sun or destroy Earth.