23 December 2014, 04:22 PM ET
The wrench, along with the 19 other objects built by the orbiting 3D printer thus far, will travel to Earth early next year, where engineers will compare the objects with ground samples produced by the same machine before it launched.
23 December 2014, 04:00 PM ET
Astronomers have spotted a new object emerging from the ashes of a recently deceased star. The stellar post-mortem may also solve a mystery surrounding the unexpected shape of the star's explosive remains, scientists say.
23 December 2014, 03:30 PM ET
A NASA satellite has snapped a picture of Christmas from space, Christmas Island, that is. The space agency's Aqua satellite, responsible for monitoring Earth's water in its many forms, caught sight of the island in the Pacific Ocean.
23 December 2014, 01:40 PM ET
Technicians successfully attached a key structure called a "carry-through spar" to the body of XCOR Aerospace's Lynx rocket plane just before Thanksgiving, at a hangar at the Mojave Air and Space Port in California, company officials announced.
23 December 2014, 06:40 AM ET
The private spaceflight company Boeing is on its way toward launching astronauts to space for NASA by 2017.
23 December 2014, 06:30 AM ET
A new type of 'Thunderwear' underwear aims to protect workers (such as welders) from sparks generated as they do their jobs. The heat-resistant material was developed as part of a space technology transfer program at the European Space Agency.
23 December 2014, 06:30 AM ET
"Interstellar" was driven by scientific accuracy and top-notch visual effects, says Paul Franklin, the effects supervisor for the sci-fi hit.
23 December 2014, 06:02 AM ET
See the most amazing night sky photos of 2014 by amateur astronomers and stargazers around the world in our year-end gallery here. Solar eclipses, the moon and more wowed Space.com readers this year.
22 December 2014, 09:45 PM ET
Comet ISON, discovered by two amateur astronomers in Russia, arrived in Earth's neighborhood in November 2013 and apparently broke up as it rounded the sun.
22 December 2014, 05:17 PM ET
The new image, which was taken by the NuSTAR spacecraft, is the best-ever view of the sun in high-energy X-ray light. The photo, and others taken by NuSTAR in the future, should help researchers learn more about our star, researchers said.
22 December 2014, 04:29 PM ET
It may only take brushing your teeth to help you feel connected to the cosmos. New research suggests that fluorine, an element in toothpaste, may have been forged billions of years ago inside stars that are now long dead.
22 December 2014, 04:14 PM ET
NASA astronauts Frank Borman, Jim Lovell and William Anders take turns reading from the Bible's book of Genesis during the first manned mission to the moon. The entered lunar orbit on Dec. 24th, 1968.
22 December 2014, 03:20 PM ET
NASA astronauts Barry "Butch" Wilmore and Terry Virts of the International Space Station’s Expedition 42 crew send Christmas and holiday wishes to the people of Earth in this video message.
22 December 2014, 12:50 PM ET
From accidents to soaring daredevils and space capsules, 2014 was a big year in spaceflight.
22 December 2014, 11:13 AM ET
When skywatchers think of meteor showers during the month of December, the Geminid shower (which peaked earlier this month) usually comes to mind. But the Ursid meteor shower — peaking tonight and into the wee hours of Tuesday (Dec. 23) morning — should a
22 December 2014, 09:50 AM ET
European Space Agency astronaut Alexander Gerst snapped some incredible imagery of the Earth during his tour aboard the ISS. 12,5000 images of auroras, lightning, landscapes and nightscapes were compiled to create this tour of Earth.
22 December 2014, 07:36 AM ET
In March 2015, NASA's Dawn spacecraft will arrive in orbit around the dwarf planet Ceres, the largest object in the main asteroid belt between Mars and Jupiter. Ceres may be capable of supporting life as we know it, some researchers say.
20 December 2014, 12:00 PM ET
See photos and images of the biggest solar flares of 2014 in this SPACE.com gallery of photos by NASA spacecraft and solar astronomers.
20 December 2014, 11:49 AM ET
The sun fired off a massive solar flare late Friday (Dec. 19), after days of intense storms from our nearest star. The huge solar flare registered as an X1.8-class event, the most powerful type of flare possible, and was captured on camera by NASA's powe
20 December 2014, 03:22 AM ET
The technology of the future can't wait.
19 December 2014, 06:24 PM ET
19 December 2014, 05:22 PM ET
NASA's first Orion space capsule — which made its spaceflight debut at the beginning of this month — is back in Florida after more than a week in transit.
19 December 2014, 05:01 PM ET
On Oct. 31, 2014, the space tourism company Virgin Galactic suffered a serious accident during a SpaceShipTwo test flight, resulting in the loss of the spacecraft. One pilot died in the crash, while another suffered injuries. See our full coverage.
19 December 2014, 04:31 PM ET
The private spaceflight company SpaceX won't be flying a mission to the International Space Station until early 2015.SpaceX is now expected to launch its fifth official mission to the orbiting outpost under a contract with NASA on Jan. 6.
19 December 2014, 04:00 PM ET
The Andromeda galaxy appears to twinkle behind two stunning meteors in this skywatching image taken from Tobias Lookout near Kernville, California. Astrophotographer Casey James took this image on August 2nd, 2014.
19 December 2014, 02:30 PM ET
TV personality Stephen Colbert ended his final episode of Comedy Central's "Colbert Report" with a truly epic celebrity sing-along featuring more than a few space-themed surprises.
19 December 2014, 12:02 PM ET
An ambitious private space exploration project that aims to land a moon-drilling probe on the lunar surface by 2024 now has the money it needs, thanks to a crowdfunding effort that raised more than $1 million.
19 December 2014, 07:31 AM ET
Kip Thorne, the physicist who brought real science to the movie "Interstellar," has a history of coming up with ideas that sound straight out of science fiction. We've rounded up three of Thorne's most mind-bending theories — at least one of which may hav
19 December 2014, 12:09 AM ET
18 December 2014, 07:14 PM ET
A recent payload flight by commercial balloon spaceflight company World View Enterprises captured the amazing imagery. The company will be selling "first-class" capsule seats to fly at an altitude of 100,000 feet for an hour or two.
18 December 2014, 05:43 PM ET
This week the celestial clock marks two milestones: Saturn's move into the morning sky and the winter solstice. Here's how to see Saturn and the moon before dawn on Dec. 19, then the winter solstice on Dec. 21.
18 December 2014, 05:20 PM ET
The abstract and colorful works of Edward Belbruno have been shaped by his scientific career. Without art, he says, 'the science comes to a screeching halt.'