When the dust settles on the hilarious pranks from April Fools' Day, researchers will be left with a treasure trove of data that could improve our ability to detect malicious fake news stories.

The last time that Easter fell on the first of April was in 1956 and it won’t happen again for over a decade (2029).

Happy April Fools’ Day! You are aware today is April Fools’ Day. Whenever April 1 falls on a weekend, it is celebrated the Friday before. You didn’t know that? Where have you been, under a greased door knob or squirting flower? The origins of April Fools’ Day trace back to Roman times and differ from...