On Jan. 7, 1610, Galileo discovered four moons revolving around Jupiter — a discovery that would change his life forever. These four moons are Jupiter’s largest satellites — lo, Europa, Ganymede and ...

Popular histories of scientific discovery are often embellished with legends and tales of Eureka moments. You've probably read about Einstein's daydream of wondering what it would be like to travel on ...

NEW YORK — In 1610, Galileo Galilei peered through his telescope and discovered four moons orbiting around Jupiter, a breakthrough that helped confirm the heliocentric theory that the Earth revolves ...

On Jan. 7, 1610, astronomer Galileo Galilei sighted four of Jupiter’s moons. In 1782 the first commercial bank in the United States, the Bank of North America, opened in Philadelphia. In 1789 the ...

On July 30, 1610, the famous astronomer Galileo Galilei became the first to observe rings around the planet Saturn. Shortly after the telescope was invented in 1608, Galileo peered out into the solar ...

Two new biographies differ over the astronomer’s view of the relationship between science and faith. A right thumb, a finger, a tooth. These were the contents of a reliquary acquired several years ago ...

When Galileo aimed his first telescope at Saturn he must have done a double take. Something was very peculiar about the shape of this slowest-moving planet: it seemed to consist not of one body but of ...

It isn’t hard to find the influence of Galileo Galilei (1564–1642) on the history of astronomy. After all, he was the first to use a telescope to study the heavens systematically and objectively. He ...

The International Year of Astronomy (2009) focuses on Galileo Galilei's contributions, particularly his meticulous observation, prompt publication, and acceptance of his findings' consequences, rather ...

On Jan. 7, 1610, the astronomer Galileo Galilei sighted four of Jupiter’s moons. In 1789 the first U.S. presidential election was held. Americans voted for electors who, a month later, chose George ...