Artificial intelligence may soon be at the forefront of tackling online misinformation.
The team examined thousands of tweets sent between July 2014 and September 2017.
"We all need to be better at distinguishing fake from real news."
Americans also are increasingly wary of the motivations behind allegedly misleading coverage.
Facebook announced steps it claims will tackle election security and fake news.
Researchers at MIT examined more than 126K stories between 2006 and 2016.