Biden leads Sanders by 91 delegates ahead of Tuesday's races, where 352 delegates—or roughly 9 percent of the total pledged delegates—are up for grabs.
Sanders' strong one-on-one match-ups with the president bode well for the White House hopeful ahead of primary elections in six more states on Tuesday.
Senator Bernie Sanders said that he doesn't "want to relive 2016" unlike former Secretary of State Hillary Clinton on Monday, after the crowd at a Fox News town hall event featuring Sanders booed a clip of Clinton saying "nobody likes" the senator.
Michigan Republican Mayor Michael Taylor said he's voting for Joe Biden because he "can appeal to moderates and Republicans like me who don't want to see four more years of President Trump."
A new poll by Quinnipiac University shows former Vice President Joe Biden leading Sen. Bernie Sanders, 54 percent to 35 percent nationally, although more respondents said Sanders was honest.
A new poll forecasts the upcoming Democratic primaries, with Bernie Sanders winning one state compared with Joe Biden's nine states.
This quiz may help you decide as the 2020 presidential race for Democrats has officially narrowed to just three candidates, with only two, Joe Biden and Bernie Sanders, in contention for the party nomination to face Donald Trump in November.
Adrian Hemond, a Michigan-based Democratic strategist, told Newsweek he thinks the Vermont senator "might be toast" in the state.
Pollsters found that both the former VP and the Vermont senator were within the margin of error of overtaking Trump in Pennsylvania.
Most recent national polls show the former vice president besting Trump by significant margins in a hypothetical general election match-up.
Civil rights activist Phillip Agnew said he took part in "misogynoirist culture" with 2009 comments about the former first lady.
The former vice president also recorded a 43-point lead among African American voters in the Michigan poll.
"It was hurtful to hear you talk about the reputations of two United States Senators who built their reputations and career on the segregation of race," Harris told Biden last year.
The Vermont senator and presidential candidate recalled the recent incident in which a man unfurled a Nazi flag at an event.
The Massachusetts senator dropped out of the Democratic presidential race on Thursday.
The civil rights activist and 1988 Democratic presidential candidate is set to endorse the Vermont senator at a Grand Rapids, Michigan rally Sunday afternoon.
Harris officially endorsed Joe Biden for president Sunday, describing him as the candidate who can unite the Democratic Party to defeat President Donald Trump.
The Minnesota senator mistakenly told cheering Biden supporters in Michigan Saturday that she's honored to join his 2020 "ticket," before she quickly corrected the apparent verbal slip-up.
The legendary star expressed her support for the Democratic presidential candidate and his plans to combat climate change.
A new poll shows Joe Biden taking a commanding 16-point lead over rival candidate Bernie Sanders in the race for the Democratic presidential nomination.
Biden can't attack Sanders without alienating the huge progressive wing of the party. Sanders can't attack Biden without turning off the moderates. But something will have to give.
The Vermont senator praised Sen. Elizabeth Warren who dropped out this week for trying to tackle a "corrupt political system in which billionaires are buying elections."
A large swastika was seen during presidential hopeful's speech at the Veterans Memorial Coliseum in Phoenix.
New York Rep. Alexandria Ocasio-Cortez, who has endorsed Senator Bernie Sanders, said she would back Joe Biden if he wins the nomination and wants others to do the same regardless of who wins.
"We do trust her to make the right decisions on how to proceed," said National Organization for Women President Toni Van Pelt.
The former vice president is ahead of the Vermont senator in Missouri, a poll shows, but his lead is within the margin of error.
Russia is believed to be working to boost Sanders in the Democratic primaries while also supporting President Donald Trump's re-election bid.
Hillary Clinton has some harsh words from her former Democratic primary competitor in her new Hulu documentary. The director spoke to Newsweek about the moments when she let her anger at Bernie out.
Trump supporters hovered in a helicopter with "Trump 2020" painted on its side before a campaign rally where Senator Bernie Sanders called the president a "fraud" took place in Phoenix, Arizona on Thursday.