Though the exact length of a "stadia" is unknown, his measurement is thought to be accurate to within one percent of the ...

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 ...

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, ...

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 ...

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 ...

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 ...

WAYZATA, Minn. (WCCO) --When a Twin Cities man sets a goal, he goes the distance, showing that taking it one step at a time is the way to accomplish a monumental feat. Dick Cottrell, 68, lives at the ...