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Aging NASA Probe Headed to Second Comet
NASA's Stardust-NExT spacecraft is hoping for sweet science on Valentine's Day
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New Photos of Saturn Moon Show a Pockmarked Place
New photos of Saturn's moon Rhea by NASA's Cassini spacecraft reveal a battered and pockmarked su...
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Obscure Full Moon Names of 2011
Here's a look at the weird full moon names of 2011.
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Mismatching Galaxies Revealed in New Photo
The two cousin galaxies couldn't look more different from one another.
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Echoes of the Big Bang Revealed by European Spacecraft
Cosmic microwave background shows distant galaxy clusters and star-forming regions.
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Moon Mining Idea Digs Up Lunar Legal Issues
Companies hoping to mine the moon's huge stores of water ice can likely do so legally.
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TOP STORIES
Giffords' Astronaut Brother-in-Law Speaks Out on Tragedy
New Mars Missions to Focus on Search for Life
Everyday Tech From Space: Cell Phone Cameras Have Space Ori...
Astronaut Injured in Bike Accident Weeks Before Launch
Nations and Companies Vie in New Moon Race
IMAGE ALBUMS
Our Changing Moon
Comet Hartley 2 Up Close
The Strangest Alien Planets
Amazing Auroras of 2010
IMAGE OF THE DAY
I See Red
TOPICS
Jupiter, Largest Planet of the Solar System
COUNTDOWNS
Top 10 Strangest Things in Space
INFOGRAPHICS
Inside Dwarf Planet Pluto
WALLPAPERS
Orbits
Human Spaceflight
Migrant Farmer-Turned-Astronaut Jose Hernandez ...
After 10 years with NASA, astronaut Jose Hernandez is leaving the space agency for a job in the privat...
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NASA's Chances for Extra Space Shuttle Flight in Doubt
Rep. Giffords' Astronaut Husband Gets Backup Shuttle Commander
Shuttle Commander, Record Spacewalker Chosen for Astronaut Hall of Fame
Private Spaceflight
Virgin Galactic's Private Spaceship Aces Anothe...
Virgin Galactic scored a fourth successful drop test of its SpaceShipTwo suborbital spacecraft on Jan....
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Multimillion-Dollar Space Tourist Trips to Resume in 2013
Chief of First Commercial Spaceport Cites Politics for Resignation
Chief of First Commercial Spaceport Cites Politics for Resignation
Science & Astronomy
Spacecraft Offers Deep Window Into Sun's Hellis...
NASA's Solar Dynamics Observatory spacecraft is giving scientists great looks at parts of the sun's su...
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Mysterious 'Galaxy X' Around Milky Way May Soon be Found
New Dark Matter Map Created for Big Galaxies
Astronomers Release Largest-Ever Color Image of Sky
Search For Life
Study: If We're Not Alone, We Should Fear the A...
When considering the prospect of alien life, humankind should prepare for the worst, according to a ne...
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NASA Chooses Atlas 5 Rocket to Launch New Mars Orbiter
Apocalypse 2012? The Truth About the End of the World
Do We Dare Let Aliens Know We're Here?
Skywatching
Wobbly Earth Means Your Horoscope Is Wrong
You may be following someone else's astrological sign.
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Best Time to Observe the Moon This Month is Now
Jupiter, the Moon and Uranus Offer Skywatching Show
Great Hunter Orion Now Looms Large in the Night Sky
Tech & Robots
Everyday Tech From Space: How Moon Science Gave...
When people first began using cordless, handheld vacuums to get at dust and crumbs around the house, f...
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Mining the Moon's Water: Q & A with Shackleton Energy's Bill Stone
Telescope Gets Tune-Up to Measure Expansion of the Universe
Sun's Gravity Could Be Tapped to Call E.T.
Hot Topics
The Sun: Formation, Facts and Characteristics
The sun is at the heart of our solar system and is the largest object – about 109 times the diameter of Earth. SPACE.com offers an overview of the sun, including its formation, evolution and orbit.
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Stars: For...
Stars are giant, luminous spheres of plasma. SPACE.com offers ...
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Our Solar ...
The sun is at the heart of our solar system and 8 planets orbi...
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Earth’s Mo...
Scientists say a giant impact knocked off the raw ingredients ...
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Earth: His...
Earth is the only planet in the solar system that has an atmos...
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Comets: Fo...
Comets are icy bodies that release gas or dust. SPACE.com offe...
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VIDEO
Kepler Discovers Its First Rocky Planet
NASA has discovered the smallest planet yet seen outside of our solar system – a rocky world measuring just 1.4 times the size of the Earth – using its planet-hunting Kepler observatory.
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How Are Black Holes Detected?
How Can Black Holes Be Detected?
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Black Holes: Warping Time & Space
When a super-massive star dies, it's corpse col...
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Black Holes: Warping Space and Time
World renowned experts explain how the fabric o...
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Space Toilet Technique: NASA's H...
Astronaut Mike Massimino helps answer that nagg...
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The Serious Search for Intellige...
SETI Institute experts address four pivotal iss...
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ESA '11 PT2: New Soyuz Pad, Plan...
ESA previews a very busy 2011 with a new Soyuz ...
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ESA 2011 PT1: Mars 500 Landing, ...
ESA previews a very busy 2011 with the simulate...
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Meteor Shower Kicks of 2011 Skyw...
The Quadrantid meteor shower peaks on Jan. 3-4 ...
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Space Shuttle Discovery Landing ...
Space.com correspondent Tariq Malik explains NA...
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