Deepfakes showing grim taxpayer-funded waterparks have gone viral and drawn some racist responses.

OpenAI said the account's activity did not meet the threshold to flag it to authorities when it was identified.

But the head of the US delegation at the AI Impact Summit in Delhi says: "We totally reject global governance of AI."

The company says it has addressed the issue and it "did not provide anyone access to information they weren't already authorised to see".

A SpaceX Falcon 9 crashed to Earth last year. Now scientists have measured the pollution it caused.

We chat about a conversational AI that's almost human-like in its speech skills