Shivon Zilis is the mother of four of Musk’s children. That relationship began as she advised OpenAI.

The feud has fuelled a costly showdown between two tech titans.

Meta said Ofcom’s calculations were “disproportionate”; the regulator said it would defend its position.

Molecules that can capture heat could be a useful technology to decarbonise heating.

The platform said it would remove end-to-end encrypted messages, a major U‑turn by parent company Meta.

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.

Harriet Bradshaw finds out how AI is being used to help solve an art history mystery.

Can pedestrians, runners and cyclists safely share the road with self-driving vehicles?