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 ...

CC0 Usage Conditions ApplyClick for more information. About two thousand years ago, a Greek scholar named Eratosthenes used some sticks, shadows and math to calculate the circumference of 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, ...

New measurements of Earth’s size show our home planet is a tad smaller than previously thought. Earth is generally agreed to have a diameter of about 7,900 miles and a circumference of about 24,900 ...