04 August 2015, 03:16 PM ET
As NASA gears up for the launch of its next great space telescope in 2018, a model-making team is asking for help to create miniature versions of the huge observatory for public outreach.
04 August 2015, 12:19 PM ET
Two and a half years after an expedition led by the CEO of Amazon.com raised them off the seafloor, the historic rocket engine parts that launched NASA astronauts on at least three missions to land on the moon are now preserved for museum display.
04 August 2015, 11:31 AM ET
A 21-foot-long articulate robotic arm has landed at Marshall Space Flight Center to create parts for the Space Launch System rocket.
04 August 2015, 10:39 AM ET
The Mars Science Laboratory's investigation of Gale Crater and its central peak Mt. Sharp has revealed a geology prominently shaped by liquid flows.
04 August 2015, 09:32 AM ET
Channels "carved into the steep-sided walls" of canyons in Mars’ Atlantis Chaos lowland plains, suggest vast amounts of water once flowed here. The Mars Express High Resolution Stereo Camera snapped cliffs, impact craters, basins weathered hills..
04 August 2015, 07:30 AM ET
The New Horizons spacecraft's flyby of Pluto on July 14 is revolutionizing researchers' understanding of the faraway dwarf planet. The epic encounter could also help spur future ambitious exploration missions, mission team members say.
04 August 2015, 07:04 AM ET
NASA's Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer spacecraft, or OSIRIS-REx, is progressing through assembly, test and launch operations (ATLO) at a Lockheed Martin Space Systems Company facility in Denver.
04 August 2015, 07:01 AM ET
Undergraduate students at San Jose State University have identified the two densest galaxies ever found — and a new video simulation depicts how such tiny, dense groups of stars might form and encompass an oversize black hole.
03 August 2015, 05:56 PM ET
After an accidental fire in December ripped apart The Mars Society's greenhouse at a facility in rural Utah, the group is asking the public to help raise money for a new one.
03 August 2015, 05:30 PM ET
Broomfield, Colorado-based Escape Dynamics announced July 17 it carried out a small-scale test in the laboratory of its beamed microwave thruster. In that test, the company beamed microwave energy to a thruster, heating helium propellant and generating a
03 August 2015, 05:22 PM ET
Just two days after the second full moon of July created a so-called blue moon, a NASA photographer captured some stunning views of the International Space Station zipping across the lunar landscape.
03 August 2015, 05:16 PM ET
NASA has selected three finalists for its next Small Explorer astrophysics mission and two finalists for the even smaller Explorer Missions of Opportunity Line, the U.S. space agency said July 30,
03 August 2015, 04:24 PM ET
The Perseid's peak On Aug.13th, and the lack of moonlight creates the possibility of seeing up to 100 meteors per hour. All eight planets are visible and with a telescope, former planet Pluto, Ceres, Vesta, Juno and Pallas can be spotted.
03 August 2015, 04:02 PM ET
The team behind NASA's New Horizons mission, which performed the first-ever Pluto flyby last month, has named some Charon craters after characters from the "Star Wars" and "Star Trek" franchises, including Darth Vader and Capt. James T. Kirk.
03 August 2015, 02:48 PM ET
The MAPHEUS-5 sounding rocket was launched from the Esrange Space Center in Northern Sweden on June 30th, 2015, reaching a height of 161 miles (259 kilometers). It carried 5 experiment modules that were successfully recovered after touchdown.
03 August 2015, 10:23 AM ET
Cosmonaut Gennady Padalka captured imagery of the second full moon of the month, aka Blue Moon, on July 31st, 2015. It is seen setting behind Earth.
03 August 2015, 10:17 AM ET
Enormous stars collapse in ultramassive supernova explosions — now in 3D! For the first time ever, researchers have turned back the clock on a star's final moments to simulate how wrinkles in its violent collapse trigger a vast explosion.
03 August 2015, 07:00 AM ET
Climate modelers go back in time to simulate past Snowball Earth conditions and find that complete freeze-over is hard to achieve.
03 August 2015, 06:59 AM ET
Astronomers from all over the world are gathering in Honolulu, Hawaii, to discuss the most cutting edge space science around. Members of the public can join the scientists for talks and stargazing events.
03 August 2015, 06:38 AM ET
Signs life on planets outside our solar system could be found in exoplanet atmospheres, but possible "false positives" are making scientists cautious.
02 August 2015, 02:18 PM ET
An alien aurora 1 million times brighter than Earth's, robots building a moon telescope, a $5.5 billion asteroid and more in Space.com's top news stories of the week.
02 August 2015, 09:30 AM ET
It's a tech geek's dream in the underwater lab hosting four "aquanauts" for 14 days this month. Among the crew's need-to-have items is a cutting-edge Microsoft virtual-reality headset that one day will go to space itself.
01 August 2015, 10:00 AM ET
The second full moon of July brought a stunning Blue Moon to skywatchers around the world on July 31, wowing them with a spectacular lunar sight. See their photos and reactions here.
01 August 2015, 07:14 AM ET
The second full moon of July 2015, a so-called Blue Moon, wowed stargazers around the world on July 31, 2015. See their amazing photos in our gallery here.
31 July 2015, 06:55 PM ET
From an amazing view of Africa from space to a tint galaxy bursting with stars, don't miss these stunning space images.
31 July 2015, 06:00 PM ET
Could we actually be living in the Matrix? You might be surprised.
31 July 2015, 05:19 PM ET
A 16-year-old New York City-area student will one day see her DNA experiment launched to the International Space Station. The experiment was designed by Anna-Sophia Boguraev of Bedford, New York.
31 July 2015, 03:25 PM ET
Asteroid 1999 JD6's nearest approach to Earth was ~4.5 millions miles away but it was close enough for radar images to be captured. The object is a "contact binary consisting of two lobes," according to NASA's Jet Propulsion Laboratory.
31 July 2015, 03:10 PM ET
The ashy peak of a volcano stands out amid a snowy scene, hinting at a recent eruption, in newly released images from NASA.
31 July 2015, 03:01 PM ET
See what's up in the night sky for August 2015, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
31 July 2015, 03:00 PM ET
Find out what's up in your night sky during August 2015 and how to see it in this Space.com stargazing guide.
31 July 2015, 02:17 PM ET
NASA has a new launch pad for small rockets, and it's open for business to companies hoping to send light satellites into the final frontier.