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Many candidates have plans, some lengthy and detailed, some brief and vague, to address climate change. We review the latest plans.

The biggest social media story out of Mississippi’s Republican gubernatorial primary race was not Tate Reeves’ win. It was a viral video of an electronic voting machine that appeared to block a Mississippi man from voting for his chosen candidate.

As Dorian moves its way toward Florida, we review the flood of misinformation about hurricanes and tropical storms. 

As the third round of Democratic primary debates approaches, a handful of presidential hopefuls have taken their messages to the airwaves, running TV ads on cable networks and in bellwether states such as Iowa and New Hampshire. We give the TV ads Democrats aired in August some additional context.

Donald Trump briefly threatened and then pulled back from ordering American companies out of China. But he insisted he had the legal power to do it. He's largely right.

A myth has persisted for decades that the United States could slow down hurricanes with nuclear bombs. President Donald Trump denied a report, based on anonymous sources, that he wanted to employ that strategy.

Hoaxes aimed at flaming fears of more mass shootings have been shared far and wide on social media.

We round up some of our fact checks of U.S. Rep. Sean Duffy as he announces he is leaving office in September.

A video by Joe Biden said that Trump broke promises on gun safety reform and focuses on his statements about gun background checks following mass shootings.

On the campaign trail, Sen. Cory Booker often name-drops his Newark, N.J., neighborhood, noting that he "lives in a community that is below the poverty line." Pete Buttigieg, now mayor of South Bend where he grew up, has touted his "middle-class lifestyle, in a middle-class neighborhood." Sen. Elizabeth Warren, a Boston-area transplant, claims family roots in the Oklahoma plains.

Twelve years ago, PolitiFact started as a one-of-a-kind idea that no one was sure would work. Full-time fact checkers covering the presidential election through an online, database-driven website. 

The world's largest island is three times the size of Texas and about 80% covered in ice. But Donald Trump wanted to buy it. We look at how ocean warming has changed the geo-political stakes.