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17 September 2014, 02:29 PM ET
The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission will study how the Mars’ atmosphere has changed over time, from a highly elliptical orbit peaking at more than 3800 miles from the surface.
17 September 2014, 02:28 PM ET
In the 1998 movie 'Armageddon,' an asteroid the size of Texas threatens to collide with Earth in 18 days. Despite its entertainment value, the film is fantastically inaccurate, astronomer Phil Plait said.
17 September 2014, 01:51 PM ET
This European instrument will split the view of the night sky into 16 'tiled' images, giving astronomers a 6.7° field of view. That’s 13X the size of the Moon, as seen from Earth.
17 September 2014, 01:18 PM ET
Astronomers have found that a small, nearby galaxy may harbor a giant secret — a supermassive black hole at its heart equal in mass to about 21 million suns.
17 September 2014, 01:00 PM ET
M60-UCD1 is five hundred times smaller than our Milky Way Galaxy, yet its core contains a singularity 5 times larger. This black hole comprises 15% of the little galaxy’s total mass of about 140 million Suns.
17 September 2014, 10:50 AM ET
Spotting the Milky Way on dark, cloudless nights can be a challenge for anyone, but trying to see it through the haze of light pollution in a crowded city is nearly impossible.
17 September 2014, 10:48 AM ET
The journey to produce believable never-before-seen Milky Way images in light-polluted skies can be arduous but rewarding at the same time.
17 September 2014, 10:45 AM ET
Joe Satriani's journey to the realm of the 'guitar gods' was one of training, dedication and as he put it, "luck". He sits down with Space.com's @DaveSkyBrody to talk about how he achieved greatness at his craft and developed his sound.
17 September 2014, 09:31 AM ET
The CST-100 spacecraft will be put through test flights and eventually fly crewed operational missions to the International Space Station. Boeing's contract with NASA is in its final phase of certification.
17 September 2014, 07:47 AM ET
Tapping SpaceX and Boeing to fly American astronauts to and from the International Space Station should free NASA up to work on sending people to Mars, agency officials say.
17 September 2014, 12:05 AM ET
The Wide Field Imager (WFI) on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile captured this space wallpaper of dark cloud Lupus 4 blotting out background stars.
16 September 2014, 09:00 PM ET
Gravitational forces interact during the the merger to form a disc. Red = Gas moving away from Earth, Blue = Gas approaching Earth.
16 September 2014, 05:30 PM ET
The space agency has been working with industry partners to develop a crew transport systems since 2010. The work from the past 4 years are highlighted.
16 September 2014, 05:04 PM ET
The SpaceX Dragon Version 2 will be put through test flights and eventually fly crewed operational missions to the International Space Station. SpaceX's contract with NASA is in its final phase of certification. Full Story: http://goo.gl/5EQVlY
16 September 2014, 04:09 PM ET
NASA has tapped the private spaceflight companies SpaceX and Boeing to build and test commercial spacecraft for ferrying American astronauts to and from the International Space Station.
16 September 2014, 02:20 PM ET
Who will be responsible for flying Americans to the International Space Station by 2017? Today, NASA could announce which private spaceflight company (or companies) officials have selected to move ahead toward developing an astronaut taxi service.
16 September 2014, 10:47 AM ET
NASA's new 'Flight Operations' emblem has a long history dating back decades. As now displayed in Mission Control, NASA's 'Flight Operations' logo succeeds the prior 'Mission Operation' insignia.
16 September 2014, 10:28 AM ET
NASA is expected to make a huge human spaceflight announcement today during a news briefing, and you can watch it live online.
16 September 2014, 07:04 AM ET
Look out, astronauts – your companion robot on the International Space Station is mobile! NASA's Robonaut 2 has received a new set of legs to allow it to do repairs both inside and outside the station, eventually.
16 September 2014, 07:03 AM ET
Astronomical clues could pinpoint the day Claude Monet painted "Impression, Soleil Levant (Impression, Sunrise)," the piece that lent its name to the Impressionist art movement.
16 September 2014, 07:00 AM ET
The crew of NASA Extreme Environment Mission Operations (NEEMO) 19 lived in the Aquarius lab, which is located 62 feet (18 meters) beneath the waves just off the coast of Key Largo, Florida. Their week-long mission wrapped up Sunday (Sept. 14).
15 September 2014, 10:34 PM ET
This space wallpaper reveals the celestial fireworks deep inside the core of a developing galaxy in the young Universe, as seen from a hypothetical planetary system.
15 September 2014, 05:28 PM ET
Back-to-back eruptions on the sun sparked a geomagnetic storm last week, which generated dazzling auroras over the northern latitudes.
15 September 2014, 05:14 PM ET
Celestial sleuthing and art historical detective work could reveal when the Impressionist master Claude Monet painted his landmark work, "Impression, Sunrise" or "Impression, Soleil Levant" showing the hazy harbor of Le Havre, France.
15 September 2014, 04:48 PM ET
The U.S. Air Force and NASA have ironed out problems that prevented scientists from obtaining a steady stream of military tracking data on meteor explosions within Earth's atmosphere. The result could help researchers safeguard Earth from potential impact
15 September 2014, 02:59 PM ET
Andy Sullivan won a free ride aboard XCOR Aerospace's Lynx rocket plane after acing the par-3 15th hole Sunday (Sept. 14) during the final round of the KLM Open in the Netherlands.
15 September 2014, 01:04 PM ET
The category-3 hurricane crashes into Mexico's Baja Peninsula in this time-lapse video from the NOAA GOES-15 weather satellite.
15 September 2014, 12:04 PM ET
An astronaut-led, private spaceflight training group, has launched a crowd-funded contest to redefine the 'right stuff' by awarding trips to space in return for the impact those who go can make to the world.
15 September 2014, 11:46 AM ET
The private spaceflight company SpaceX is planning to launch their fourth official unmanned resupply mission to the International Space Station this week.
15 September 2014, 11:14 AM ET
See amazing photos of the northern lights from early September 2014 sparked by two intense solar storms on Sept. 8 and 10. Amateur astronomers captured these stunning northern lights views.
15 September 2014, 10:30 AM ET
NASA's twin Voyager spacecraft spotted many bright clumps in Saturn's F ring when they flew by the gas giant in the early 1980s.
15 September 2014, 10:15 AM ET
NASA officials unveiled a huge new tool that will help them build the space agency's next mega rocket.