Archive · 25 Sep 2026

Expert Ranks Five Scenarios for How AI Could End Humanity

Expert Ranks Five Scenarios for How AI Could End Humanity

Some experts worry that very powerful AI could seriously harm people or even end humanity.

Toby Walsh studied five ways this might happen.

One possibility is that a super-smart AI could do something humans cannot understand or stop.

Another is that an AI could follow a goal too literally, such as making endless paperclips.

AI might also help create dangerous viruses or cause a nuclear war through false information or hacked systems.

Walsh says these dangers have limits, because biology, laws, public opposition, and security systems can make them harder.

He thinks the biggest risk may be AI making existing human problems worse.

Job losses, misinformation, political fighting, and less human contact could slowly damage society.

These are warnings and possibilities, not predictions that humanity will definitely be destroyed.

Sources