Add Yahoo as a preferred source to see more of our stories on Google. Luke Durant was folding his laundry right into his suitcase ahead of a trip back home to Alabama when he decided to check his ...

May 30 (UPI) --A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique - the etchings, lines like tally marks, may have ...

What is common to 2, 53 and 199? All three are prime numbers. These numbers are divisible by 1 and themselves, no others. There is an infinite number of prime numbers, but checking if a number is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For many people ...

An amateur mathematician from San Jose, US, has discovered the largest prime number yet with over 41 million digits. Prime numbers, the building blocks of mathematics, are divisible only by themselves ...