Today in the history of astronomy, Galileo is confused by his observations of Saturn.

In a mission that changed our understanding of gas giants, NASA’s Galileo spacecraft made history not just in orbit but also ...

July 25 has been a date marked by remarkable events that have shaped history.One of the most profound events occurred on July ...

Dava Sobel is the author of Galileo's Daughter: A Historical Memoir of Science, Faith, and Love (Walker, 1999), from which Ms. Sobel kindly adapted this essay.

The document contains drafts that refer to Galileo's presentation of a new telescope to the Doge of Venice on August 24, 1609 and his observations of Jupiter using a telescope in January 1610.

Again, it wasn't Galileo. So then why do we honor him today? A number of the leading searches today on Google Trends include "galileo s inventions" (sic) and " who invented the telescope." ...

Galileo Galilei, the 16th century Italian astronomer, philosopher and mathematician who did much to advance the scientific method, had a loyal daughter who showed similar intellectual talent and ...

The Linda Hall Library in Kansas City, Missouri, is now the only place in the world to view all three original editions of Galileo's groundbreaking scientific publication from 1610.

NARRATOR: It was a time of discord in the Christian world. Threatened by the Protestant Reformation, the Roman Catholic Church demanded strict adherence to its dogma, enforced by the violent ...