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 ...

The formation of Saturn's rings is an astronomical mystery. Saturn formed about 4.6 billion years ago, but the rings may have ...

Jupiter and Saturn will merge in the night sky Monday, appearing closer to one another than they have since Galileo’s time in the 17th century. Astronomers say so-called conjunctions between the two ...

Jupiter and Saturn will merge in the night sky to create a single "Christmas star" Monday, appearing closer to one another than they have since Galileo’s time in the 17th century Astronomers say ...

Nothing else in the Solar System is quite like Saturn. At its poles, a terrible storm rages, a perfect hexagon twenty thousand miles wide with raindrops of molten diamond, flung by 300-mph winds.

CAPE CANAVERAL, Fla. (AP) — Jupiter and Saturn will merge in the night sky Monday, appearing closer to one another than they have since Galileo's time in the 17th century. Astronomers say so-called ...

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 ...

A brilliant Italian scientist, mathematician and astronomer, Galileo Galilei knew, as few others did in his time, that the Earth revolved around the sun. And when he refused to be silent about it, he ...

The waxing moon coasts to Saturn's side tonight. With Jupiter and Venus now so low in the west after sunset, Saturn is quickly becoming our only evening planet. While more planets means more fun, I ...