Armenia, Azerbaijan and Russia have signed an agreement to end military conflict over the disputed enclave of Nagorno-Karabakh.
President Donald Trump has sacked Defence Secretary Mark Esper, announcing on Twitter that the top US official has been "terminated".
The first effective coronavirus vaccine can prevent more than 90% of people from getting Covid-19, a preliminary analysis shows.
US President-elect Joe Biden is to make tackling the coronavirus pandemic his top priority following his win over Donald Trump, his team says.
With his re-election chances fading as more votes are counted in a handful of battleground states, U.S. President Donald Trump launched an extraordinary assault on the country’s democratic process from the White House on Thursday, falsely claiming the election was being “stolen” from him.
Donald Trump and Joe Biden each claim to be ahead in the US presidential election, even as the final outcome hangs on a razor's edge and both sides gear up for legal action.
Police in the city of Portland made arrests and seized fireworks, hammers and a rifle after late night demonstrations, as Oregon Governor Kate Brown activated the state’s National Guard in response to “widespread violence” on the night after voting in the U.S. presidential election.
WASHINGTON (Reuters) - While President Donald Trump wants the U.S. Supreme Court to weigh in on a presidential race that is still too close to call, it may not be the final arbiter in this election, legal experts said.
Support for President Trump among white college graduates is generally trending down across the industrial Midwest states formerly known as the "blue wall." According to the NBC News Exit Poll of early and Election Day voters, Trump is winning the support of 43 percent of college-educated white voters in Michigan, which is down from 51 percent in 2016. The pattern is similar in Pennsylvania, though far less pronounced in Wisconsin.
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.