Eratosthenes

While civilized society was just learning to use the wheel on earth, ancient Greeks were aiming at celestial space and the stars.

Ancient Greeks made countless astronomical discoveries, including Eratosthenes' calculation of the Earth's circumference and its shape.

On Friday, March 20, 2026, the day of the vernal equinox, students across Greece will participate in a nationwide educational initiative that revives one of the most remarkable experiments in scientific history pertaining to Eratosthenes' calculation of the Earth’s...

Carl Sagan, the American astronomer, author, and science communicator was renowned for making difficult scientific concepts understandable to the millions; he did exactly this at the beginning of his renowned series Cosmos by explaining the thought process of the...

Theories depicting the shape of the earth swirled in embryonic form in the minds of Ancient Greek thinkers. By Matthew Norman Many pre-Socratic Greek philosophers were wrong about the form of our planet. Thales – founder of the Milesian School of...

Cyrene was an ancient Greek and later Roman city in Libya. It was the oldest and most important of the five Greek cities in the region.

An experiment devised by one of Greece's greatest scientists, Eratosthenes, was recreated once again recently by students from 35 nations.

Students from Greek schools will participate in a science project which will recalculate the earth’s circumference, repeating the experiment of the famous Greek mathematician, astronomer and geographer Eratosthenes. The project is being held on the occasion of the Spring Equinox...