The length of time the Pfizer/BioNTech vaccine can be kept unopened in a fridge has been increased from five days to one month.
Santander has apologised after the bank's telephone, branch, online and card services all experienced major issues on Saturday, leaving customers unable to access accounts or even buy food at the supermarket.
China has landed a spacecraft on Mars for the first time, becoming the second country to arrive on the Red Planet.
Ireland's health service has closed down its computer systems after a major ransomware attack by "international criminals", the country's deputy prime minister has said.
Tesla has halted the use of Bitcoin to pay for its vehicles because of the environmental impact of using the currency.
As violence between Israeli and Palestinian groups worsens, misinformation relating to both sides is spreading on social media.