The discussion is a sign the AI firm’s technology may be too critical for even the US government to do without.

The Paris prosecutor’s office told the BBC it had “taken note of the absence of the people summoned”.

The firm founded by Amazon billionaire Jeff Bezos is investigating the failed launch.

John Ternus will take over running the technology giant as Cook steps up to become executive chairman.

A stellarator is difficult to build, but could it be the best way to make fusion energy work?

Paul Carter checks out the newest phones, gadgets and trends from MWC Barcelona.

Alasdair Keane visits the underground insect farm turning food waste into animal feed.

How research linking climate change and extreme weather events is being used in lawsuits.

Shiona McCallum tours Blenheim Palace, exploring the tech aiding its restoration.

Humans are returning to the Moon – hear about it on the BBC’s space podcast, 13 Minutes