The US plans to evacuate Americans from the Diamond Princess cruise ship, the site of the biggest coronavirus outbreak outside China, officials say.
Democratic presidential candidate Mike Bloomberg is paying social media influencers to back him in the hope of reaching younger voters.
The US has launched investigations into Harvard and Yale universities over suspicions they received undisclosed funds from foreign countries, including Saudi Arabia and China.
The World Health Organization says the official name for the disease caused by the new coronavirus will be Covid-2019.
The number of US troops suffering from traumatic brain injuries (TBI) after an Iranian attack on a US base in Iraq in January has risen to 109, according to US officials.
China has "removed" several senior officials over their handling of the coronavirus outbreak - as the death toll passed 1,000.
Airlines have cancelled dozens of domestic and international flights as Storm Ciara approaches the UK.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.