Technology

The Rugby World Cup - in which England lost the final - was the UK's most googled search term of 2019.

Political ads are "disappearing" from Facebook's advertising monitoring system, leaving stunned researchers fearing a "catastrophic" loss of transparency and accountability.

Children are at risk of being contacted by strangers and seeing offensive images through their must-have smart toys, an investigation has found.

Older female killer whales pass on their wisdom to their grandchildren once they are too old to have any more calves of their own.

Astronomers have discovered a unique way to weigh supermassive black holes - and found the holes might not be as massive as previously thought.