Lost notes reveal Galileo closely studied the ancient Greek astronomer Ptolemy, offering fresh insight into his early ...

In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. Long before anyone could download a stargazing app or buy a telescope from a department store, ancient ...

What a wonderful question! The simple answer is that they relied on centuries of previous observations. Remember, even computers have to be programmed with the right data to produce future times of ...

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...

"The Ancient Astronomers of Timbuktu takes us from the edge of the Sahara Desert, to Addis Ababa in the East and Cape Town on the Southern tip of Africa. We follow investigative and collaborative ...

Long before starlight filled the cosmos for the first time, the young universe may have been simmering, according to a new study. The findings suggest that about 800 million years after the Big Bang, ...

Prior to computer technology, how did astronomers so precisely predict solar eclipses?Kurt Petersen Sheboygan Falls, WI What a wonderful question! The simple answer is that they relied on centuries of ...