22 January 2014, 12:11 PM ET
To see the quick movement of the moon, observers need a set of bright markers across the sky, exactly the kind of signposts in the night sky this week. Two bright stars and three bright planets mark the moon’s path across the sky.
21 January 2014, 05:57 PM ET
The collapsible, flexible spacecraft could be a good fit for the marshy surface of Titan, which features lakes and seas of liquid ethane and methane.
06 January 2014, 10:49 AM ET
The Cassini Saturn probe goes though vibration and thermal testing in preparation for its four year mission.
31 December 2013, 09:27 AM ET
A crescent Venus, Jupiter at opposition, Taurus constellation and its Red-Giant 'eye' and the Quadrantid meteor shower makes for quite a skywatching show. In the market for a telescope? - Click the blue 'SHOP' link above.
30 December 2013, 10:08 AM ET
NASA's Cassini spacecraft has capped 2013 with a spectacular new collection of Saturn photos showcasing the planet's beauty, as well with its trademark rings and strange moons. Saturn's clouds, rings, and moons Titan, Enceladus and Rhea star in the new im
30 December 2013, 09:42 AM ET
This launch vehicle is designed to carry a payload equal to the size and weight of those on a space shuttles.
24 December 2013, 02:52 PM ET
Early risers will have an opportunity to see the moon move through the sky on Christmas Day and throughout the week.
23 December 2013, 06:25 PM ET
Rhea's icy surface bears the scars of innumerable impacts over the eons.
23 December 2013, 01:04 PM ET
Enceladus shines as one of the brightest objects in our solar system. See photos of Saturn's water ice-covered cold moon, as captured by NASA's Cassini spacecraft.
23 December 2013, 10:48 AM ET
NASA released a new infrared view of Saturn from the Cassini spacecraft, in which the ringed planet's thick clouds have the soft feel of an "impressionist's painting."
19 December 2013, 02:33 PM ET
Titan harbors about 2,000 cubic miles of liquid methane and ethane on its frigid surface. The hydrocarbons are contained in an area near Titan's north pole that's just 660,000 square miles in size, a region slightly larger than Alaska.
13 December 2013, 07:01 AM ET
Saturn's iconic rings likely formed about 4.4 billion years ago, shortly after the planet itself took shape, a new study suggests.
12 December 2013, 04:05 PM ET
Soar over Saturn’s moon Titan to get a bird’s-eye view of the moon’s vast lakes of liquid hydrocarbons in this video made from imagery and data collected by NASA’s Cassini spacecraft.
10 December 2013, 01:58 PM ET
This colorful space wallpaper from NASA's Cassini mission is the highest-resolution view of the unique six-sided jet stream at Saturn's north pole known as "the hexagon." Image obtained on Dec. 10, 2012 and released Dec. 4, 2013.
05 December 2013, 07:50 AM ET
Scientists created the new video of Saturn's vortex from 128 images snapped by NASA's Cassini spacecraft in December 2012. It's the highest-resolution movie yet obtained of the giant hexagon, which is about 20,000 miles wide, researchers said.
04 December 2013, 04:21 PM ET
NASA's Cassini probe has captured the highest resolution video yet of Saturn's odd, hexagon shaped jet stream that spins around the gas giants north pole.
03 December 2013, 12:57 PM ET
Want to know where to find Venus and Jupiter in the morning or the double star in Cassiopeia. Check out the Hubblesite's latest guide to the best places to look in the night sky. Telescopes are just one click away - Click the blue 'SHOP' link above.
25 November 2013, 07:16 PM ET
If you look to the sky early Tuesday (Nov. 26) morning, you might get a view of what can only be described as a "double planet" visible through the brightening dawn twilight.
12 November 2013, 04:27 PM ET
A NASA probe has revealed an unprecedented view of Saturn from space, showing the entire gas giant backlit by the sun with several of its moons and all but one of its rings, as Earth, Venus and Mars all appear as pinpricks light in the background.
05 November 2013, 02:30 PM ET
NASA's Cassini spacecraft has captured a stunning new portrait of Saturn stitched together from 36 images obtained on Oct. 10, 2013. See the amazing photo here.
01 November 2013, 05:06 PM ET
You can expect to see Venus, Jupiter, Mars, Mercury and Saturn this November with only an average telescope.
25 October 2013, 03:31 PM ET
This stunning space wallpaper is a false-color mosaic, made from infrared data collected by NASA's Cassini spacecraft. It reveals the differences in the composition of surface materials around hydrocarbon lakes at Titan, Saturn's largest moon.
25 October 2013, 07:38 AM ET
NASA's Cassini space probe is getting an exceptional look at the vast liquid lakes of Titan's north pole, where dense winter clouds are finally vanishing thanks to a change in seasons on Saturn's largest moon.
24 October 2013, 04:07 PM ET
The mesmerizing rings of Saturn glimmer in a series of new photos that illuminate parts of the planet that normally appear darkened. The infrared images offer unique views of Saturn's dark side, bathed from behind in the sun's light.
18 October 2013, 10:38 AM ET
An amazing new view of Saturn, created by amateur image processer Gordan Ugarkovic, shows the planet and its rings in all their glory.
17 October 2013, 01:50 PM ET
In this stunning space wallpaper, taken with the Cassini wide-angle camera on June 6, 2012, the spacecraft looks toward the night side of Titan and sees sunlight scattering through the periphery of Titan's atmosphere and forming a ring of color.
16 October 2013, 05:54 PM ET
The rings of Saturn are made of billions of particles, from tiny grains to giant chunks.
09 October 2013, 02:01 PM ET
Planetary science is a girl's best friend. Jupiter and Saturn might be brimming over with diamonds, new research suggests.
04 October 2013, 03:49 PM ET
The moon will meet up with three different planets in the evening sky during two separate celestial encounters, one on Sunday and the other on Tuesday. The first will involve Saturn and Mercury, while Venus is the moon's partner for the second.
04 October 2013, 11:12 AM ET
Light reflected off Saturn allows the Cassini spacecraft to capture both the back-lit plume and the surface of Enceladus in one shot as seen in this amazing space wallpaper.
01 October 2013, 06:35 PM ET
Acrux is made up of three stars, and a possible fourth that lies close by.
30 September 2013, 12:59 PM ET
The main ingredient in industrial plastic number 5, has been detected in the atmosphere of the Saturn moon. The propylene molecule was missing in Voyager 1's probe of the moon in 1980, and had baffled scientists until now.
19 September 2013, 10:13 AM ET
The two Apollo 13 crew members walk through the events of their upcoming EVA.
11 September 2013, 02:01 PM ET
Here are five facts about NASA's twin Voyager 1 and 2 spacecraft.
09 September 2013, 05:23 PM ET
Two scientists speak of the dwarf planet Ceres, which will be visited by NASA's Dawn mission in early 2015.
06 September 2013, 04:11 PM ET
This space wallpaper shows a set of images from NASA's Cassini mission that reveal the turbulent power of a monster Saturn storm.