15 May 2015, 11:38 PM ET
On May 14th, 2015, exactly two months before the fly-by of Pluto is expected, mission scientists gathered at the American Museum of Natural History in NYC to speak to a crowd of school kids and museum patrons about the historic event.
13 May 2015, 07:00 AM ET
Although DNA and RNA would not function in environments like that of Saturn's moon Titan, ethers could fulfill this key role.
10 May 2015, 09:05 AM ET
Russia's failed Progress 59 cargo spacecraft fell back to Earth, SpaceX's Dragon crew capsule launched on its first big test and the sun fired off its most powerful flare of 2015 so far. Here's a look at Space.com's top stories of the week.
08 May 2015, 09:46 PM ET
From espresso in space to a green and gold aurora, don't miss these amazing space images of the week for May 10, 2015.
07 May 2015, 07:31 AM ET
Chemical reactions that free up energy that could potentially support a biosphere are occurring deep within Enceladus' salty subsurface ocean, a new study suggests.
06 May 2015, 03:14 PM ET
Imagery from NASA's Cassini mission has shown what was believed to be discrete jets or geysers erupting from the surface of Enceladus. A new investigation has revealed that the eruptions may be more widespread.
06 May 2015, 01:01 PM ET
Most of the seemingly discrete geysers seen on the Saturn moon Enceladus until now may have just been optical illusions of much broader "curtain" eruptions, a new study reports.
06 May 2015, 06:30 AM ET
The water plume seen on Jupiter's moon Europa in 2013 may have been a rare event, which implies the satellite may be a solid ball of ice and inhospitable to life.
30 April 2015, 07:00 AM ET
The search for life beyond Earth homes in on water, whose unique properties make it critical to life as we know it and whose abundance throughout the solar system is becoming increasingly clear to scientists.
29 April 2015, 04:17 PM ET
Dwarf planet Pluto and its largest moon Charon are seen to orbit one another in this set of images from NASA’s Pluto New Horizons LORRI camera, taken when the spacecraft was about 90 days out from its closest encounter.
27 April 2015, 09:00 AM ET
Studying the hazy atmosphere of Saturn's largest moon, Titan, should help researchers better understand the air of faraway exoplanets, a new study reports.
13 April 2015, 03:27 PM ET
Rare tropical methane storms could help solve the mystery of how strange, giant dunes form on Titan, Saturn's largest moon, researchers say.
13 April 2015, 07:00 AM ET
A team of scientists saw signs of rings while watching Chiron — a 145-mile-wide (233 kilometers) object that orbits between Saturn and Uranus — pass in front of a bright star, a process known as an occultation.
12 April 2015, 10:12 AM ET
A total lunar eclipse wowed skywatchers and two private spaceflight companies tackled big challenges. These, and more, are Space.com's picks for the best space stories for the week of April 12.
08 April 2015, 01:45 PM ET
Flying twice the speed of a Space Shuttle, a collision with cosmic debris could be catastrophic. Flying twice the speed of a Space Shuttle, a collision with cosmic debris could be catastrophic.
07 April 2015, 04:50 PM ET
Solid signs of alien life will be spotted within 10 years, and definitive evidence will roll in within 20 to 30 years, NASA chief scientist Ellen Stofan said Tuesday (April 7).
07 April 2015, 08:00 AM ET
For the first time, scientists have broken through the icy crust of a glacier and extracted an uncontaminated sample of water that has been trapped beneath the ice for millions of years.
04 April 2015, 11:01 AM ET
A new image-processing technique is bringing Saturn's largest moon, Titan, into clearer view than ever before.
02 April 2015, 05:50 PM ET
Skywatchers around the world can look forward to spotting bright planets throughout April; observers just need to know where to look.
02 April 2015, 11:50 AM ET
You're not seeing double; these are two images of the same world: icy, cratered Rhea, the second-largest natural satellite of Saturn.
31 March 2015, 07:00 AM ET
Earlier this month, researchers made two big announcements: Saturn's moon Enceladus likely harbors hot springs, and Jupiter's huge satellite Ganymede apparently possesses a subsurface ocean that may contain more water than all of Earth does.
25 March 2015, 02:02 PM ET
The 15-minute uncertainty of how fast Saturn spins may have been put to rest, using mathematics.
21 March 2015, 11:40 AM ET
The online project Spaceprob.es is a one-stop-shop website for learning about all the human-made space probes currently studying the cosmos, and features sharp graphic designs of all the probes, available as posters and stickers.
16 March 2015, 01:42 PM ET
The Zodiac (arc of the planets, Sun and Moon) hosts the cosmic crab of Cancer and Earth's most famous twin brothers throughout March 2015. Jupiter rules the southeastern sky. Saturn rises after midnight.
15 March 2015, 11:29 AM ET
NASA launched a new space-weather mission and scientists found evidence of a hydrothermal system on Saturn's ocean-bearing moon Enceladus. Here's a look at Space.com's top stories of the week.
12 March 2015, 05:36 PM ET
Titan is probably the least inhospitable place in the outer solar system, but remember to bring oxygen and warm clothing.
10 March 2015, 05:01 PM ET
Titan is one of the most habitable places for humans in the solar system, while Enceladus is one of the best places to look for life.
10 March 2015, 03:42 PM ET
Even 100,000 million miles away, NASA’s New Horizons probe has begun delivering unprecedented views. The mission's principal investigator Dr. Alan Stern tells Space.com just how much better the imagery will be.
09 March 2015, 07:00 AM ET
The atmosphere of Saturn's huge moon Titan may have been generated within the satellite as a consequence of hydrothermal activity, Data from Europe's Huygens lander suggests.
26 February 2015, 09:40 AM ET
The Gemini Twins and a dimmer Cancer constellation make their way into the night sky in March.
18 February 2015, 12:04 PM ET
A robotic submarine could explore the methane seas on Titan, Saturn's largest moon. See how space technology and NASA are working to make this a reality.
12 February 2015, 06:03 PM ET
The moon is home to liquid methane seas. In an animation developed for the NASA's Innovative Advanced Concepts (NIAC) program, a submersible is used to study the shoreline and liquid methane depths.
05 February 2015, 04:25 PM ET
Jupiter will dazzle all night long for the entire month, and if you’re awake in the early morning hours, look for the ringed wonder, Saturn. Skywatchers will also have good opportunuties to see Mercury, Venus and Mars this month.
05 February 2015, 11:24 AM ET
The Hubble Space Telescope’s Wide Field Camera caught Io, Callisto and Europa and their shadows passing across the face of Jupiter on Jan. 23rd, 2015, which happens only once or twice per decade.
04 February 2015, 09:45 PM ET
Titan is the only moon in the solar system with a thick atmosphere. See more Titan facts here.
03 February 2015, 07:44 AM ET
A newly discovered exoplanet's ring system puts Saturn's collection to shame. What's more, a large gap in the rings suggests the presence of at least one Earth- or Mars-size exomoon.