Sure. In the same way that flying is far safer than driving. There are massive amounts of safeguards in place to keep it as safe as possible. The problem is that when something goes wrong, it goes very, very wrong. This is why some people fear flying and nuclear power.
Its not when something goes wrong, its if. And it still is much safer and a lot better for the environment than oil
Way more people will die from climate change because we were forced to rely on oil instead of building out nuclear.