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14 August 2014, 10:15 AM ET
As a vintage spacecraft soars out of Earth's vicinity, the private team working with it plans to use the probe for solar science for as long as they can.
14 August 2014, 06:55 AM ET
A swarm of twinkling old stars shines in a new view from NASA's Hubble Space Telescope. This globular cluster, dubbed IC 4499, lies on the outskirts of the Milky Way.
14 August 2014, 06:46 AM ET
Researchers discovered that 64 astronauts on board 80 space shuttle missions, and 21 astronauts on the International Space Station slept for just six hours per night on average, even though their schedules called for 8.5 hours of slumber.
14 August 2014, 12:03 AM ET
Call it a case of Mars rock and roll ... literally. NASA's Mars Reconnaissance Orbiter has snapped an amazing photo of the track left by a boulder rolling down a slope on Mars.
13 August 2014, 05:45 PM ET
Astrophotographer Giuseppe Petricca captured the colorful conjuction of the moon, Mars and Spica in this image.See how astrophotographer Giuseppe Petricca captured the photo here.
13 August 2014, 05:42 PM ET
NASA's Orbiting Carbon Observatory-2, which blasted off July 2, arrived in its final orbit 438 miles above the Earth on Aug. 3. The satellite then collected its first test data three days later while flying over Papua New Guinea.
13 August 2014, 05:30 PM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
13 August 2014, 04:21 PM ET
Intrepid photographers in dark parts of the world managed to capture some stunning photos of the Perseid meteor shower as it hit its peak, despite the bright light of a nearly full moon.
13 August 2014, 04:00 PM ET
This image was taken by astrophotographer Amit Kamble from a dark sky site near Foxton, New Zealand on July 27. See how he did it here.
13 August 2014, 02:49 PM ET
DigitalGlobe's WorldView-3 spacecraft, which can resolve features as small as 1 foot (31 centimeters) across, lifted off atop a United Launch Alliance Atlas 5 rocket from Vandenberg Air Force Base in California at 2:30 p.m. EDT Wednesday.
13 August 2014, 02:40 PM ET
DigitalGlobe's WorldView-3 satellite launched from Vandenberg Air Force Base in California on Aug. 13, 2014.
13 August 2014, 01:01 PM ET
An asteroid on NASA's list of potential impact threats to the Earth is actually a pile of loosely connected rubble held together by forces weaker than the weight of a penny, scientists say.
13 August 2014, 12:47 PM ET
The NASA All-Sky Fireball Network captured 2 meteors from the annual shower burning up in the atmosphere nearly simultaneously. It occurred in the early morning hours of August 13th, 2014.
13 August 2014, 11:01 AM ET
Chemicals once found in hairspray may serve as signs of alien life on faraway worlds, researchers say. These compounds may reveal that extraterrestrials have disastrously altered their planets.
13 August 2014, 11:00 AM ET
Small 'nanoflares' erupting from the sun might be the key to unlocking a cosmic mystery, according to a new study.
13 August 2014, 10:42 AM ET
Scott Kelly is just 7 months from becoming the first NASA astronaut to spend a year in space. Well, maybe not a full year, at least according to the current schedule, but that's not stopped Kelly and his crewmate Mikhail Kornienko from designing a one-yea
13 August 2014, 09:32 AM ET
Space.com readers sent in their photos of the August 2014 Perseid meteor shower.
13 August 2014, 08:01 AM ET
A special U.N. action team has recommended the creation of an international warning network, which would gather and analyze asteroid data and provide timely warnings to national authorities if a potentially hazardous space rock were to threaten Earth.
13 August 2014, 08:01 AM ET
A new three-part series set to air its first episode Wednesday (Aug. 13) will reveal more about humanity's ever-expanding place in the universe.
13 August 2014, 07:00 AM ET
Cassini looked on last month as methane clouds floated above Ligeia Mare, a big hydrocarbon sea near Titan's north pole. Few clouds had been seen on Titan since 2010, so researchers are trying to gauge the significance of the new observations.
12 August 2014, 09:09 PM ET
While alien life can be seen nightly on television and in the movies, it has never been seen in space. Not so much as a microbe, dead or alive, let alone a wrinkle-faced Klingon.
12 August 2014, 05:35 PM ET
Apollo 11 moonwalker Buzz Aldrin paid his respects to comedian Robin Williams today with a post on Facebook. The Oscar-winning actor was found dead of an apparent suicide in his home in California on Monday (Aug. 11). He was 63 years old.
12 August 2014, 04:25 PM ET
The actor/comedian recorded a wake-up call for the STS-26 crew that was relayed on September 30th, 1988 by CAPCOMs Kathy Sullivan (standing) and Kathy Thornton (seated on console). Full Story: http://goo.gl/cQDaQN
12 August 2014, 04:11 PM ET
The international Cassini-Huygens mission scanned a gathering cloud mass over the methane sea known as Ligeia Mare on Saturn’s largest moon Titan between July 20th and 22nd 2014. Full Story: http://goo.gl/gIb2r9
12 August 2014, 03:46 PM ET
A Lunar X-Prize team from Pittsburgh explains its automated Moon landing system in this clip from the premiere episode of the Science Channel show. (Airs August 13th, 2014)
12 August 2014, 03:42 PM ET
In the premiere episode of the Science Channel show, the Lunar X-Prize competition is profiled and the Moon's abundant resources are described. (Airs August 13th, 2014)
12 August 2014, 02:50 PM ET
The dazzling Perseid meteor shower has not yet reached its peak, but NASA cameras planted on the ground in the United States have already witnessed some early fireballs streaking across the summer sky.
12 August 2014, 02:00 PM ET
An extraordinary amount of ultraviolet light appears to be missing from the universe, scientists have found.One potential source of this missing light might be the mysterious dark matter that makes up most of the mass in the cosmos.
12 August 2014, 12:05 PM ET
TechDemoSat-1 was launched on July 8th, 2014 aboard a Soyuz-2 launch vehicle. Its inspection camera captured the Soyuz upper stage (gold object) and another satellite it was launched with (white dot @ 34 seconds) over the Pacific Ocean.
12 August 2014, 12:04 PM ET
The U.S. Navy has honored the nation's first woman in space, christening its new ocean research ship after the late astronaut Sally Ride.
12 August 2014, 11:29 AM ET
Robin Williams, an Oscar-winning actor best known for his comedic work, died yesterday (Aug. 11) of an apparent suicide at 63 years old. In 1988, Williams helped to wake up the crew of NASA's space shuttle Discovery to start their morning work.
12 August 2014, 10:35 AM ET
Google is paying tribute to the annual Perseid meteor shower — peaking tonight (Aug. 12) — with a special doodle honoring the usually spectacular cosmic display.