Technology

Ofcom has launched an investigation into whether TikTok is failing to protect children from harmful content.

A Tyrannosaurus rex skeleton has become the most expensive dinosaur fossil sold at auction after an unidentified buyer paid more than $50m (£37.3m) for it.

A blood test which could detect early signs of Alzheimer's is being rolled out to patients via their GP as part of a "landmark" study.

The UK is experiencing a period of "historic and unprecedented change" to its climate, and extreme conditions that have caused recent heatwaves are here to stay, says a new report.

Sixteen and 17-year-olds will face an overnight social media curfew and the disabling of addictive features under government plans – but critics say it won't achieve anything as the settings can be turned off.