Can AI make scientific discoveries?

One thing I hear often is that "AI will help research, but it can't make original discoveries" (or some variant).

This article New ‘AI scientists’ are improving – but reveal their fundamental limits seems to say that LLM models can help research, but as they are based on language, they lack precision needed to validate fully hypothesis (and make discoveries on their own).

Surely this is all just a temporary limitation? Or is there some fundamental barrier?

(By the way check out credo summary of the article, which automatically pulls out the research papers cited!)