Any child or teenager sending explicit images or messages on texts and emails is cause for concern and should be monitored, new guidelines for schools and health professionals in England advise.

Early diagnosis of disease is literally a matter of life and death, so the race is on to produce cheaper, faster, lighter kits to help doctors and nurses in the field.

Samsung’s Galaxy Note 7 exchange programme launches in the UK.

Games made by studio Digital Homicide have been removed from the Steam game-playing service after some users claimed the studio was suing them.

Large numbers of HP printer owners found their printers stopped recognising unofficial printer ink cartridges last week.

IPhone passcodes can be bypassed using just £75 ($100) of electronic components, research suggests.