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23 August 2014, 12:24 AM ET
Lick Observatory, in operation since 1888, is involved in the search for extrasolar planets. The facility will close in 2018 unless new funding is found.
22 August 2014, 10:26 PM ET
The private space company's Falcon 9 Reusable (F9R) rocket exploded on August 22nd, 2014 during a test flight in McGregor, Texas. Footage of the wreckage falling back to the surface after the explosion was uploaded to Youtube by Pat Hykkonen.
22 August 2014, 07:57 PM ET
Sunspot AR2149 erupted with an M3-class flare on August 21st, 2014. NASA's Solar Dynamics Observatory captured the fireworks.
22 August 2014, 07:41 PM ET
Hakuto's rovers will team up to explore lunar caves.
22 August 2014, 07:35 PM ET
Tag-team robot rovers may help usher in a new era of lunar exploration.
22 August 2014, 07:00 PM ET
By immersing viewers in dramatically intricate 3D universes, Ralf Kaehler, Stuart Levy and Dylan Nelson enable new perspectives on the cosmos.
22 August 2014, 06:31 PM ET
NASA astronaut Steven Nagel, who flew on four space shuttle missions, died on Thursday, Aug. 21. He was 67. Nagel died after a long battle with cancer, the Association of Space Explorers reported.
22 August 2014, 05:50 PM ET
One of the smallest constellations in the Northern Hemisphere is reaching its highest point in the sky at around midnight local daylight time this week.
22 August 2014, 04:46 PM ET
The three brightest objects in the night sky are set to create a spectacular triangle Saturday (Aug. 23) morning, and weather permitting, early-rising skywatchers should be able to catch the celestial action.
22 August 2014, 04:12 PM ET
This week, aerospace firm Northrop Grumman released artwork depicting its conception of the XS-1 space plane, which it's designing under a $3.9 million contract from the U.S. Defense Advanced Research Projects Agency (DARPA).
22 August 2014, 03:07 PM ET
The U.S. military is developing the XS-1 Experimental Spaceplane to launch space missions faster and cheaper than ever before. See photos and images of the DARPA-led XS-1 space plane project in this Space.com gallery.
22 August 2014, 02:50 PM ET
Early-rising stargazers were treated to an amazing view of the two brightest planets closely aligned in the morning sky Monday (Aug. 18).
22 August 2014, 02:29 PM ET
Two astronauts living and working on the International Space Station have captured a one-two punch of incredible views showing two active volcanoes spewing steam and lava from space.
22 August 2014, 11:26 AM ET
The Flame Extinguishment - 2 (FLEX-2) experiment studies the burning of fuel droplets in space. In a recent test, iso-octane and heptane were the fuel sources in an oxygen (21%) and nitrogen (79%) environment. 
22 August 2014, 10:54 AM ET
New research led by NASA shows that spaceflight confuses the immune system.
22 August 2014, 10:18 AM ET
On Aug. 18, 2014, Venus and Jupiter took center stage in a stunning pre-dawn celestial conjunction. See amazing photos by stargazers of Venus and Jupiter together in the early-morning sky.
22 August 2014, 06:02 AM ET
The new map, made using photos taken by NASA's Voyager 2 probe in 1989, has also been turned into a movie reconstructing the spacecraft's historic Triton encounter — the only time a spacecraft has ever visited the Neptune system.
22 August 2014, 06:00 AM ET
Scientists discuss what makes Jupiter's moon Europa perhaps the solar system's best bets for hosting life beyond Earth.
21 August 2014, 06:37 PM ET
The probe passed within 25,000 miles (40,000 km) of the Neptune moon in August 1989. Highly detailed maps from Voyager were used to recreate the surface colors. Full Story: http://goo.gl/FdROmX
21 August 2014, 04:51 PM ET
A new poster for a Stephen Hawking biopic set for release later this year celebrates the love and scientific theories of one of the most well known cosmologists ever.
21 August 2014, 04:05 PM ET
Late summer is one of the best times of year to view the full splendor of our galaxy, the Milky Way. Seeing the Milky Way requires a special effort for most of us, but it's well worth the trouble.
21 August 2014, 02:02 PM ET
An ancient star in the halo surrounding the Milky Way galaxy appears to contain traces of material released by the death of one of the universe's first stars, a new study reports.
21 August 2014, 12:00 PM ET
As SpaceX gets ready to launch astronauts into space in the coming years, the California-based company is also pushing the frontier in another field: 3D printing.
21 August 2014, 07:00 AM ET
The Venus Express probe wrapped up its "aerobraking" move and entered a new, higher orbit late last month. It will continue to study Venus for several more months and then, as its fuel runs out, dip back into the planet's atmosphere for good.
21 August 2014, 07:00 AM ET
A new atomic clock is due for installation on the International Space Station in 2016, ushering in a new age of physics experiments probing the relationship between space and time.
21 August 2014, 06:50 AM ET
The researchers discovered the microscopic oval object within the Nakhla Mars meteorite, which fell to Earth in Egypt in 1911. While the structure's appearance is intriguing, it most likely formed as a result of geological rather than biological processes
20 August 2014, 10:37 PM ET
Kitt Peak National Observatory, high atop a mountain in the Arizona desert, is home to 24 telescopes. Frequent clear skies helped make it a site of many notable discoveries.
20 August 2014, 04:49 PM ET
A pair of rovers – one four-wheel robot and one two-wheel robot which can rappel on a tether– will work together to survey vertical lunar features.
20 August 2014, 04:42 PM ET
“Hakuto" means “white rabbit" in Japanese whose mythology, depicts the image seen on the moon as a rabbit not as a face.
20 August 2014, 04:37 PM ET
Rough terrain is a fact of life for planetary rovers. Hakuto designs rover systems as small as possible and to utilize commercial of the shelf components. But will these choices conspire against the rover's survival?
20 August 2014, 04:23 PM ET
Hakuto is the only Japanese team participating in the $30 million Google Lunar XPRIZE competition to land a robot on the moon, drive that robot 500 meters and send back high-definition imagery and video.
20 August 2014, 02:17 PM ET
A Russian official claims that samples collected by cosmonauts show evidence of sea plankton on the outside of the International Space Station, news agencies are reporting.
20 August 2014, 01:01 PM ET
The discovery of a microbial ecosystem deep beneath the Antarctic ice doesn't necessarily mean that life teems on frigid worlds throughout the solar system, researchers caution: subglacial Lake Whillans is not a closed system like Jupiter's moon Europa.
20 August 2014, 12:45 PM ET
Boring through ½ mile rock-hard Antarctic ice, researchers discover a completely isolated community of microorganisms living in Subglacial Lake Whillans. The finding could be an analog for subsurface life on Mars, Europa, Enceladus and other worlds.
20 August 2014, 12:44 PM ET
Astronaut Chris Hadfield's advice for life on Earth has become the basis for a television sitcom. ABC committed to the production of a pilot episode for a family comedy inspired by Hadfield's book, 'An Astronaut's Guide to Life on Earth.'
20 August 2014, 12:05 PM ET
SpaceX's Dragon Version 2 capsule is designed to carry seven astronauts to the International Space Station. See how it works in this Space.com infographic.