Members of the Flat Earth Society claim to believe the Earth is flat despite scientists explaining how we know the Earth is ...

Flat-earthers believe one of the most curious conspiracy theories on the internet. Here's a look at what they believe and why.

Neil deGrasse Tyson recently called out flat-earthers in one tweet: It's not just lunar eclipses that would look different if Earth were actually flat. Sports, plants, and even the oceans would be ...

Each year, more flat-Earth events fill the calendar, organizers say. “I’ve never seen anything grow this fast,” says Robbie Davidson, the founder of the Dallas conference.

A few politicians are making news for accepting a once-fringe conspiracy theory that the Earth is flat. Voters aren't embracing it − yet.

Eclipses can attract some people to the flat Earth conspiracy theory, much to the dismay of experts.

A group of popular flat earth YouTubers have admitted defeat against the ‘globers’ after taking a trip to Antarctica to witness the 24-hour sun.

The flat Earth conspiracy ignores the problems with its own claims and tries to open a debate that's been settled for more than 2,000 years.

Jeran Campanella, a prominent American YouTuber with 164,000 subscribers known for promoting the flat Earth theory, publicly acknowledged that his beliefs may have been mistaken following a recent ...

Colorado pastor Will Duffy’s obsession with the flat-Earth conspiracy theory began with a longtime friend’s post on Facebook. Three years later, after immersing himself in the conspiracy ...

How to Convince Your Flat-Earth Friends the World Is Round Two experiments you can do yourself to finally, definitively put this question to rest. Photograph: Christian Adams/Getty Images ...

Equinoxes would be physically impossible over a flat Earth, but that doesn't stop conspiracy theorists from trying to explain them.