31 August 2015, 07:00 AM ET
NASA already plans to launch a spacecraft to the Jupiter moon Europa in the early to mid-2020s, and it's also mulling a mission to the Saturn satellite Enceladus that would lift off by the end of 2021.
30 August 2015, 11:10 AM ET
Mars One seeks billionaires, Ceres and Dione get close-ups, a Martian hoax is debunked and Stephen Hawking solves a black hole conundrum in Space.com's top stories for this week.
27 August 2015, 07:00 AM ET
Many astrobiologists are champing at the bit to bring samples back from Saturn's ocean-harboring moon Enceladus, but it may be best to exercise a little patience.
25 August 2015, 07:49 PM ET
The solar system's outer planets — Jupiter, Saturn, Uranus and Neptune — are mainly giant balls of gas much larger than Earth.
24 August 2015, 04:45 PM ET
The Cassini spacecraft recently got its last close views of Dione, a small icy moon orbiting Saturn.
21 August 2015, 02:30 PM ET
NASA's Cassini spacecraft flew close to Saturn's moon one final time on Aug. 17, 2015. See the final flyby images here.
19 August 2015, 01:01 PM ET
Gas-giant planets such as Jupiter and Saturn form quickly, thanks to the fast accretion of pebble-size building blocks, new research suggests.
18 August 2015, 03:49 PM ET
The mystery behind the origin of what may be Saturn's oddest ring and its two companion moons may finally be solved: They came from an ancient, catastrophic collision, researchers say.
17 August 2015, 07:00 AM ET
The Cassini spacecraft will make one last close flyby of Saturn's moon Dione on Monday (Aug. 17), in search of clues about the moon's strange features.
15 August 2015, 07:00 AM ET
From the magnificent Milky Way to a tribute to Leonard Nimoy, don't miss these stunning space images.
10 August 2015, 06:57 AM ET
As particles race around Saturn at breakneck speeds, their jostling and crashing may look random and haphazard — but a new mathematical theory brings a simple kind of order to the chaos that will help scientists understand rings across the universe.
08 August 2015, 08:58 AM ET
From an incredible photo of the moon crossing Earth's face to a new view of the dwarf planet Cere's mysterious bright spots, don't miss these amazing space images.
07 August 2015, 07:00 AM ET
Saturn will shine during the month of August, and with luck stargazers will be able to catch a glimpse of Mars and Venus if they know when to look with this day-by-day breakdown.
04 August 2015, 04:15 PM ET
An icy moon of Saturn has mysterious red arcs of material crisscrossing its surface — and no one knows exactly how they got there.
04 August 2015, 03:43 PM ET
The new image captures the satellites Dione and Mimas, with Saturn a blurry behemoth looming in the background. Sunlight is hitting the moons at such an angle that they seem to be staring up at the ringed planet.
31 July 2015, 08:40 AM ET
For the next six months, NASA's Saturn-orbiting Cassini spacecraft will get its final look at two icy moons -- one famous and one not so well-known -- before preparing for mission's end in 2017.
29 July 2015, 02:56 PM ET
Enhanced imagery of Saturn satellite Tethys show arcing streaks spanning hundreds of mile across the battered surface. These may be ice with organic impurities, outgassing from within the moon, or markers of fractures in the frozen rock.
29 July 2015, 01:34 PM ET
The desert regions of Saturn's moon Titan may have once hosted water that left behind traces of dry material on the surface, like rings on a bathtub, new research suggests.
28 July 2015, 07:00 AM ET
A new image captured by NASA's Cassini spacecraft highlights an impact basin on the Saturn moon Tethys. Called Odysseus, the 280-mile-wide (450 kilometers) impact basin is nearly half as wide as the satellite itself.
27 July 2015, 12:02 PM ET
The Perseid meteor shower will peak on Aug. 12th and 13th with raining debris from Comet Swift-Tuttle. Venus and Mars make an appearance in the morning sky, and Saturn is an evening planet. Also, Cygnus (the Swan) and Lyra (the small harp)...
15 July 2015, 06:00 PM ET
NASA has just funded seven far-out space-exploration concepts, including a submarine that would explore the hydrocarbon seas of Saturn's huge moon Titan, an origami energy reflector and rapid space transit with an electric sail.
14 July 2015, 04:01 PM ET
Pluto, Charon, and other large objects in the outer reaches of the solar system could boast icy plumes, and NASA's New Horizons mission could find them.
14 July 2015, 10:20 AM ET
Titan, one of the most potentially habitable bodies in the solar system, may have gone through snowball phases that resemble Pluto today.
11 July 2015, 07:00 AM ET
While New Horizons will be all by its lonesome while it speeds past Pluto July 14, a fleet of spacecraft closer to home will also be watching the dwarf planet.
07 July 2015, 09:10 AM ET
The timing of explosive eruptions of vapor and ice on Saturn's icy moon Enceladus could provide new insights into the satellite's interior structure, which could be a home to life.
01 July 2015, 07:01 AM ET
July offers opportunities to see Venus, Saturn, Jupiter and Mercury overhead. Here's how, and when, to spot them.
28 June 2015, 07:00 AM ET
If you've ever struggled to identify Saturn in the night sky, be sure to look toward the horizon just after sunset tonight (June 28) see this often hard-to-spot planet.
24 June 2015, 08:54 AM ET
X-rays bouncing off of dust clouds surrounding the erupting neutron star Circinus X-1 let astrophysicists work out the star’s position. NASA's Chandra X-ray Observatory and ESA's XMM-Newton had been tasked to examine the X-ray source.
23 June 2015, 09:06 AM ET
Images captured between May 29th and June 18th, 2015 resolve patches on the icy dwarf's surface and suggest that one of Charon’s poles might be significantly less bright than the bulk of the moon.
18 June 2015, 12:50 PM ET
In our solar system, the objects with rainfall, rivers and oceans can be counted on two fingers: Earth, and Saturn's moon Titan. Both also share a thick atmosphere, rocky ground and plate tectonics.
10 June 2015, 01:01 PM ET
Saturn's giant newfound ring is even larger than previously thought, spanning an area of sky
nearly 7,000 times larger than Saturn itself, researchers say.
07 June 2015, 09:31 AM ET
From up-close looks at Saturn's "spongy" moon Hyperion to photos of the first NASA spacewalk, which occurred 50 years ago this week, don't miss these amazing space images.
03 June 2015, 01:08 PM ET
What will we find when we get to Pluto? NASA's New Horizons' team tells Space.com about the discoveries on the horizon and its far reaching implications.
02 June 2015, 12:30 PM ET
On Sunday, May 31, 2015, NASA's Cassini spacecraft successfully made its latest and final flyby of Hyperion, Saturn's spongy moon. And the view was amazing.
19 May 2015, 05:13 PM ET
Now is a great time to see Saturn, perhaps the most gorgeous planet in the night sky. The ringed planet is visible pretty much all night long.
17 May 2015, 09:17 AM ET
From the coast of Japan to a dragon selfie, don't miss these amazing space images of the week for May 17, 2015.