Coin flips may seem random, but the outcome is governed by predetermined forces like gravity and the strength of your finger flick. So physics formulas could be used to calculate how a coin will land.

Flip a coin 100 times and you'll get roughly as many heads as tails. But computers often stumble at generating random numbers - and now researchers have figured out why 1. Random-number generators are ...

The coin flip is so synonymous with randomness that the phrase has become a metaphor for unpredictability itself. We even trust the coin toss with our nation’s most popular sport: Every NFL game ...