When AI hallucinates aliens: Some think NASA should be nervous

If a chatbot can insist it's right while being totally wrong, imagine the stakes when NASA starts leaning on artificial intelligence to help with life detection.Could the rovers suddenly hallucinate aliens?Michigan State University researchers wanted to know, so they trained an AI system to spot the difference between digital "organisms" that can copy themselves and others that can't, using a computer program called Avida. In test runs, the algorithm nailed the distinction, getting it right 99.9