Dedicated cyclists set different goals to strive for, from cycling 40 miles in a day to cycling 5,000km or around 3106 miles in a year. I love cycling because it’s fun working your legs, hips, and ...

Born around 276 B.C. in Cyrene, Libya, Eratosthenes soon became one of the most famous mathematicians of his time. He is best known for making the first recorded measurement of the Earth’s ...

Have any of you ever wondered about the origin of the nautical mile? Well I have and here's my attempt to explain its origin. The Earth's equatorial circumference is approximately 24,902 statute miles ...

Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...

Do you know how to measure the diameter of the earth? No? Then you’re less advanced than they were in 230 BC. You’re basically a Neanderthal with access to a microwave. Find out how to fix that in ...

A San Luis Obispo resident rode the equivalent of the circumference of the Earth on his bike. Tony Murphy took 11 years to ride 24,901 miles on his bike, which is the same as one time around the Earth ...

MATTAPOISETT, MASS. (WHDH) - A Mattapoisett man is close to completing a decades-long journey to walk the length of the Earth’s circumference. It all started with a doctor’s order in 1988 and now, ...

The U.S. Army has succeeded in shrinking the circumference of the earth by about half a mile. To make the new estimate, according to a paper submitted to the American Geophysical Union by Bernard ...

Some days the world feels really big and some days it feels quite small, but as you might suspect, it doesn't actually change size. Here in the 21st century, we know the circumference, density, and ...