Stories by Associated Press

Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective.

Since Election Day, President Donald Trump and his allies have sought to expose voter fraud that simply does not exist in overwhelmingly Black population centers like Detroit, Philadelphia and Atlanta.

Election officials in Wisconsin’s largest county accused observers for President Donald Trump on Saturday of seeking to obstruct a recount of the presidential results.

An Illinois 17-year-old accused of killing two people during a protest in Wisconsin was seen smiling in a photo with his lawyer and “Silver Spoons” actor Ricky Schroder after being released from custody by posting a $2 million bond.

Police searched Friday evening for the suspect in a shooting at a suburban Milwaukee mall that left seven adults and a teenager injured.

The overall U.S. death toll has reached about 254,000, by far the most in the world. Confirmed infections have eclipsed more than 11.8 million, after the biggest one-day gain on record Thursday — almost 188,000. 

Joe Biden will be sworn in as the oldest president in the nation’s history, displacing Ronald Reagan, who left the White House in 1989 when he was 77 years and 349 days old.

As college students prepare to go home for the holidays, some schools are quickly ramping up COVID-19 testing to try to keep infections from spreading further as the coronavirus surges across the U.S.

The win by Joe Biden pads his Electoral College margin of victory over President Donald Trump. Biden now has 306 electoral votes to Trump's 232.

With the coronavirus surging out of control, the nation’s top public health agency pleaded with Americans on Thursday not to travel for Thanksgiving and not to spend the holiday with people from outside their household.

The delays are happening as the country braces for winter weather, flu season and holiday travel, all of which are expected to amplify a U.S. outbreak that has already swelled past 11.5 million cases and 250,000 deaths.

The announcement by the Food and Drug Administration represents an important step in U.S. efforts to expand testing options for COVID-19 beyond health care facilities and testing sites. 

As the CEOs of Twitter and Facebook gave assurances of vigorous action against election disinformation, Republicans at a Senate hearing Tuesday pounded the social media companies over political bias, business practices and market dominance.

The U.S. Federal Aviation Administration announced the move early Wednesday, saying it was done after a “comprehensive and methodical” 20-month review process.

Theo Epstein, who transformed the long-suffering Chicago Cubs and helped bring home a drought-busting championship in 2016, is stepping down after nine seasons as the club’s president of baseball operations.

A second experimental COVID-19 vaccine — this one from Moderna Inc. — yielded extraordinarily strong early results Monday, another badly needed dose of hope as the pandemic enters a terrible new phase.

Hate crimes in the U.S. rose to the highest level in more than a decade as federal officials also recorded the highest number of hate-motivated killings since the FBI began collecting that data in the early 1990s.

President Donald Trump on Sunday appeared to acknowledge for the first time that Joe Biden won the White House, but made clear he would not concede and would keep trying to overturn the election result. 

After several thousand supporters of President Donald Trump protested the election results and marched to the Supreme Court, nighttime clashes with counterdemonstrators led to fistfights, at least one stabbing and more than 20 arrests.

U.S. health officials are taking a new tack to encourage Americans to wear masks: They’re emphasizing recent research that a mask protects the person who wears it.

Michigan Gov. Gretchen Whitmer took legal action Friday to shut down a pipeline that carries oil beneath a channel linking two of the Great Lakes.

President Donald Trump on Friday offered a rosy update on the race for a vaccine for the resurgent coronavirus as he delivered his first public remarks since his defeat by President-elect Joe Biden.

Rejecting President Donald Trump’s persistent claims and complaints, a broad coalition of top government and industry officials is declaring that the Nov. 3 voting and the following count unfolded smoothly.

The first baseman from Cuba got 21 of the 30 first-place ballots in voting by members of the Baseball Writers’ Association of America.

As President Donald Trump contests this year’s election results, he has not authorized President-elect Joe Biden to lay eyes on the President’s Daily Brief.

Federal health officials have reached an agreement with pharmacies across the U.S. to distribute free coronavirus vaccines after they are approved and become available to the public.