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10 July 2014, 03:58 PM ET
“Parent satellite” Prox-1 will watch its offspring, LightSail-1, as it deploys 32 sq. meters of Kapton polymide fabric in an act of cosmic origami in reverse.
10 July 2014, 03:44 PM ET
The Planetary Society’s citizen-funded mission, LightSail-1, will launch on a SpaceX Falcon Heavy in 2016. It will test solar sails to propel low-cost “cube-sats,” with technology that could open highways to the planets. STORY: http://goo.gl/7tf4Tf
10 July 2014, 03:08 PM ET
Like "beads on a string" star formation can be compared to droplets of rain New imagery from the Hubble Space Telescope merging elliptical galaxies reveals 19 compact clumps of young stars making up the string. FULL STORY: http://goo.gl/nWUiIt
10 July 2014, 10:55 AM ET
The Angara rocket — which Russia has been developing for more than 20 years — blasted off from Plesetsk Cosmodrome in northwestern Russia Wednesday (July 9) at 4:00 p.m. local time (8:00 a.m. EDT), carrying a dummy payload on its maiden flight.
10 July 2014, 10:11 AM ET
Efforts to redirect a 36-year-old NASA spacecraft are in flux as controllers fear the spacecraft may have run out of fuel while performing maneuvers on Tuesday (July 9).
10 July 2014, 06:24 AM ET
Violent supernova explosions create massive grains of cosmic dust large enough to survive the harsh environment of space.
10 July 2014, 06:00 AM ET
Astronomers have found the farthest-flung stars yet known in the Milky Way. The two objects lie at least 775,000 light-years away, making them both about five times more distant than the Large Magellanic Cloud, a satellite galaxy of the Milky Way.
09 July 2014, 10:02 PM ET
A galaxy more than 12 billion light years from Earth is heading for a “red and dead” future because it is running out of the fuel needed to make new stars.
09 July 2014, 04:52 PM ET
Do you want to help name an alien planet? Starting next year, space fans around the world will get the chance to vote on their favorite names for exoplanets and the planets' host stars.
09 July 2014, 04:13 PM ET
As a storm in the Pacific Ocean grew to a super typhoon and was downgraded again to a typhoon, watchful astronauts on the International Space Station kept people apprised of its progress through social media.
09 July 2014, 03:28 PM ET
The private team operating NASA's ISEE-3 spacecraft aimed to fire its engine seven times on Tuesday to change the probe's trajectory. While the first burn went as planned, the group encountered problems with the second one.
09 July 2014, 01:43 PM ET
In Homer Hickam's "Helium-3" sci-fi novels, the characters
09 July 2014, 12:22 PM ET
Crater Trueblood has his hands full in Homer Hickam's third "Helium-3" novel.
09 July 2014, 11:52 AM ET
ESA's Space Technology Advancements by Resourceful, Targeted and Innovative Groups of Experts and Researchers’(StarTiger) program has developed the prototype to land a rover using hazard detection and avoidance technology.
09 July 2014, 11:18 AM ET
#RosettaAreWeThereYet is a European Space Agency sponsored photo contest to support the last leg of the probe's journey to comet 67P/Churyumov–Gerasimenko. Learn more about it and enter the contest here: http://goo.gl/1N4wqX
09 July 2014, 07:32 AM ET
If there were mechanics on Mars, NASA may have taken the Curiosity rover into the shop by now. The 1-ton robot has accumulated quite a bit of wheel damage since touching down inside Gale Crater in August 2012.
09 July 2014, 07:31 AM ET
Orbital Sciences' unmanned Cygnus spacecraft is scheduled to blast off atop an Antares rocket from NASA's Wallops Flight Facility in Virginia at 1:14 p.m. EDT on Saturday. You can watch the liftoff live here on Space.com, courtesy of NASA TV.
08 July 2014, 07:00 PM ET
A NASA spacecraft exploring Saturn and its many moons has captured an incredible photo of the planet's swirling vortex, weird hexagon and distinctive rings.
08 July 2014, 03:49 PM ET
On 12 July, 10 August and 9 September 2014, a full moon will occur when the satellite is closest to Earth in orbit. Called a ‘perigee moon’ its brightness is increased and size enlarged due to proximity to Earthbound skywatchers.
08 July 2014, 03:38 PM ET
An M6-class flare erupted from sunspot AR2113 on July 8th, 2014. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths.
08 July 2014, 02:05 PM ET
The 30-minute webcast, which is called "Spotlight Live: The Hunt for Other Worlds Heats Up," begins at 3:00 p.m. EDT Wednesday. You can watch it live here on Space.com, courtesy of the nonprofit Kavli Foundation, which is hosting the discussion
08 July 2014, 02:00 PM ET
A NASA probe recently spotted the dazzling Pan-STARRS comet as it hurtled through space against the backdrop of a distant galaxy.
08 July 2014, 01:13 PM ET
NASA's Aquarius mission, whose main mission is ocean salinity measurement, has been multitasked to deliver soil observations. It shows how seasons and weather change the moisture in the first 2 inches of soil around the globe.
08 July 2014, 12:11 PM ET
From 1838 to 1945, the star Eta Carinae spewed nearly 40x the Sun’s mass, creating the Homunculus Nebula. Astronomers have now created a high-res 3D model of the 2-lobed cloud of gas and dust. -- Can be 3D printed with this file: http://goo.gl/juFz3p
08 July 2014, 07:39 AM ET
A hotspot of powerful, ultrahigh-energy particles streams toward Earth from beneath the handle of the Big Dipper constellation. This newfound collection of cosmic rays may help scientists nail down the origin point of the powerful particles.
08 July 2014, 07:31 AM ET
With new data collected by NASA's Voyager 1 spacecraft, researchers can confirm that the far-flung probe is indeed cruising through interstellar space, as mission scientists announced last year.
08 July 2014, 07:22 AM ET
Buzz Aldrin — the second man to set foot on the moon — wants to hear your stories about the first manned moon landing in honor of the historic event's 45th anniversary this month.
08 July 2014, 07:00 AM ET
Tell astronaut Buzz Aldrin your story – or help your elder record theirs – then post it with the hashtag #Apollo45. Google, YouTube, NASA and SPACE.com will all spread it around the world.
08 July 2014, 01:44 AM ET
The sun sets over Paranal Observatory in this beautiful space wallpaper, painting an array of subtle hues across the sky reminiscent of a Monet landscape.
07 July 2014, 05:40 PM ET
The European Space Agency has selected the Athena X-ray observatory as its second "large-class" science mission. Athena — which will cost about 1 billion euros ($1.36 billion at current exchange rates) — is scheduled to blast off in 2028.
07 July 2014, 03:21 PM ET
Unusual arms, revealed in x-ray light, dive through the plane of NGC 4258, ejecting enormous amounts of gas and choking the ability for new stars to form.
07 July 2014, 03:07 PM ET
The NASA building where Neil Armstrong stayed — and his lunar landing spacecraft was readied — before launching to the moon 45 years ago this month is being renamed for the late astronaut.