We dig into the data underlying Ted Cruz's claim on global warming.
The potential 2016 candidate spins a conspiracy theory. Does he have any facts to back it up?
Net neutrality proponents are misusing The Fact Checker's analysis on potential costs.
Rick Santorum exaggerates his paternity claim over HSAs.
Rep. Pete Sessions (R-Tex.) gets his math wrong. Very wrong.
Rubio offers a cartoon version of the facts. Here's what really happened.
A fake viral meme is attributing a bizarre quote to Sen. Tom Cotton (R-Ark.).
We take a definitive look at the life, political views and influence of Frank Marshall Davis.
We explore the evidence offered by the Israeli prime minister's campaign.
A signature protest phrase from Ferguson is based in rumors and witness accounts that later were recanted.