Cleostratus was a truly pioneering Greek astronomer who lived on the small Aegean island of Tenedos in the 6th century BC.

Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...

The lost works of an ancient Greek mathematician, Apollonius, have been discovered by scientists. Apollonius of Perga was known as "The Great Geometer," according to a Liberty University publication.