Sites including Instagram, YouTube and TikTok will become inaccessible for millions of children, the prime minister has announced.

The BBC’s technology editor Zoe Kleinman on the big changes coming down the line for young people online.

Helium-3 is expensive and demand is forecast to soar, so some are planning to mine it on the moon.

Andrew Rogers explores new tech trials helping people stay underwater for longer.

Adrienne Murray explores how new 3D imaging is supporting heart procedures.

Shiona McCallum meets a medical expert testing out the future of prosthetics.

Shiona McCallum visits Fifa HQ in Zurich to see new tech being used in the World Cup.

We talk to an expert about the risks from AI hackers

What is the role of a teacher once AI arrives in the school classroom?

The tech company announces its new Majorana 2 chip.