A NASA spacecraft circling Saturn has discovered a wispy oxygen atmosphere on the ringed planet's icy moon Dione, but you wouldn't want to live there. For one thing, you wouldn't be able to ...

Cassini captures Saturn and its moons 31 photos. Scientists are getting one of their best looks at Saturn's moon Dione, when NASA's Cassini spacecraft flies past this icy satellite on Monday ...

Saturn’s moon Dione is streaked with long bright stripes, and no one knows how they got there.. Planetary scientists first noticed the stripes in pictures taken with NASA’s Cassini spacecraft ...

(Space.com) A NASA spacecraft circling Saturn has discovered a wispy oxygen atmosphere on the ringed planet's icy moon Dione, but you wouldn't want to live there. For one thing, you wouldn't be ...

Dione is the fourth-largest moon of Saturn. It trailing hemisphere features the most craters, leading astronomers to think that a collision may have spun the moon around 180 degrees.

Dione -- discovered in 1684 by astronomer Giovanni Cassini (after whom the spacecraft was named) -- orbits Saturn at roughly the same distance as our own moon orbits Earth.

Saturn%27s satellites have their mysteries%2C including the curiously young face of its moon Dione; Planetary scientists investigated one of Dione%27s ridges%2C looking for clues ...

If the researchers are correct, 700-mile-wide (1,120 kilometers) Dione would be the third Saturn moon known to harbor a subsurface ocean, after giant Titan and geyser-spouting Enceladus.

NASA's Cassini space probe swooped in for its final close encounter with Dione -- one of Saturn's 62 known moons -- and took a stunning final image of the icy world.

The battered face of Saturn's frigid moon Dione gets a close-up in a gorgeous photo by NASA's Cassini spacecraft. Though the image was released Monday (March 12), Cassini took it on July 23, 2012 ...

This story was updated at 10 p.m. ET. A NASA spacecraft circling Saturn has discovered a wispy oxygen atmosphere on the ringed planet's icy moon Dione, but you wouldn't want to live there. For one ...

NASA's Cassini spacecraft has spotted a thin oxygen atmosphere on the icy Saturn moon Dione. Dione's atmosphere is wispy and is 5 trillion times less dense than the Earth's.