Galileo was the first to discover the moons of Jupiter. Michael Benson / Kinetikon Pictures / Corbis (Jupiter) / Scala / Art Resource, NY (Galileo) Inside a glass case was a plain-looking tube ...

On Thursday, the camera will snap its last pictures. Galileo will make its final flyby of one of Jupiter's major moons when it sweeps within 62 miles of Io. Sign up for our flagship newsletter ...

On Thursday, the camera will snap its last pictures. Galileo will make its final flyby of one of Jupiter's major moons when it sweeps within 62 miles of Io... LOS ANGELES -- Since 1989 ...

Galileo studied sunspots, sketching pictures of the changing pattern of spots on the Sun over time. In this activity, students will study the nature of sunspot cycles. Lead a class discussion ...

From 1609, Galileo Galilei used the recently invented telescope to observe the sun, moon and planets. He saw the mountains and craters of the moon, and for the first time revealed the planets to ...

One of the University of Michigan Library’s most prized possessions, which appeared to be a Galileo manuscript, is now thought to be the work of a 20th-century forger. By Michael Blanding ...