How hundreds of “Jeopardy!” contestants talked themselves into a baseless conspiracy theory — and won’t be talked out of it. It is an ironclad rule of the private Facebook group of past “Jeopardy!” contestants that nobody post about that night’s episode before 11 p.m. Eastern time, to avoid spoiling the show for West Coast viewers.

A new study published in the scientific journal PLOS ONE revealed over 103 million people globally liked, shared, retweeted or reacted with an emoji to misinformation and conspiracy theories about COVID-19 vaccines.

Facebook does not need any more bad publicity. The company is currently being publicly scorned after more than 500 million users had their personal information leaked. It has also been faced with an antitrust suit endorsed by more than 40 states since last year, with reports alleging that CEO Mark Zuckerberg would intimidate potential competitors.

It is 20 years since Jon Ronson wrote Them, his eye-popping investigation into conspiracy theorists. Now, in a world awash with tales of paedophile elites and puppet masters, is he any closer to understanding it all?

Coronavirus conspiracy theories have gained traction with around a third of people who responded to an academic survey in Switzerland and Germany.

Assessing the latest evidence in a Trump-era mystery.

The U.S. Supreme Court on Monday declined to hear an appeal by Infowars host and conspiracy theorist Alex Jones, who was fighting a Connecticut court sanction in a defamation lawsuit brought by relatives of some of the victims of the Sandy Hook Elementary School shooting.

TikTok videos promoting QAnon and anti-vaccine conspiracies are surging in popularity despite a crackdown by the popular social media app, according to a new report shared exclusively with USA TODAY.

QAnon is often viewed as a group associated with conspiracy, terrorism and radical action, such as the Jan. 6 Capitol insurrection. But radical extremism and terror may not be the real concern from this group.

People will always be interested in conspiracy theories. They need a tool kit for discriminating among different fringe ideas.

On social media, on cable networks and even in the halls of Congress, supporters of Donald J. Trump tried to rewrite history in real time, pushing the fiction that left-wing agitators were to blame for the violence on Jan. 6.

Tens of millions of Americans believe QAnon's core -- and false -- theory that an evil cabal of Satan-worshipping elites commits atrocities against children and controls much of the world. Where does this movement stand and who has it impacted? Lesley Stahl reports.

In recent months, Stanley Kubrick’s daughter Vivian has tweeted anti-Semitic memes, joked about the murder of AOC, cheered on the Proud Boys, and promoted QAnon conspiracies.

On Thursday, the House voted to strip Georgia Congresswoman Marjorie Taylor Greene of her committee assignments, putting an end to one chapter of what’s sure to be an ongoing saga in the chamber’s Republican caucus. In a meandering nonapology in the hours before the vote, Greene, who has endorsed an impressive array of conspiracy theories, including QAnon and claims that Hillary Clinton had raped, mutilated, and consumed the blood of a child...

Facebook has said it will no longer algorithmically recommend political groups to users, but experts warn that isn’t enough

More than 6 in 10 Americans say they regularly encounter misinformation on Facebook, amid the company's efforts to ban groups linked to conspiracy theories. A poll commissioned by Newsy from YouGov found that 65 percent of Americans say they encounter misinformation on Facebook, higher than any other social media or traditional media platform.

Xena: Warrior Princess actress Lucy Lawless is slamming her former costar Kevin Sorbo for supporting the baseless claim that it was "leftist agitators" who broke into the U.S. Capitol on Wednesday.

A significant number of Americans believe misinformation about the origins of the coronavirus and the recent presidential election, as well as conspiracy theories like QAnon, according to a new NPR/Ipsos poll. Forty percent of respondents said they believe the coronavirus was made in a lab in China even though there is no evidence for this. Scientists say the virus was transmitted to humans from another species.

Conspiracy theories about 5G technology are growing in size and intensity-—and finding connections with the pandemic.

If you haven't heard of the far-right conspiracy theory QAnon by now, perhaps it's irresponsible of me to tell you about it. Essentially, a member of a sketchy Internet forum alleged that he is a high level government official with secret information about a satanic cult run by Democrat pedophiles and their sex-trafficking associates. It's the same old antisemitic dogwhistle all over again, but with a fun new twist: President Donald Trump has surreptitiously dedicated his career...