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13 October 2014, 12:38 AM ET
NASA's Hubble Space Telescope has spotted a few objects that the New Horizons probe might be able to explore after it zooms past the Pluto system during a highly anticipated flyby on July 14, 2015.
12 October 2014, 10:53 PM ET
Launched by the Soviet Union in 1957, Sputnik 1 became the world’s first artificial satellite. This legacy continues today with our exploration of the solar system.
12 October 2014, 11:03 AM ET
From spacewalks and sun tentacles to a wild total lunar eclipse, it's been an amazing week for space photography. Check out our favorite space images
12 October 2014, 10:44 AM ET
Monday marks Columbus Day for people in the United States, but did you know there was a lunar twist to the famous explorer's journey?
12 October 2014, 08:44 AM ET
The U.S. Air Force's mysterious X-37B space plane will return to Earth this week, possibly Tuesday (Oct. 14), after 22 months in orbit on a secret mission.
10 October 2014, 07:16 PM ET
The discovery of extraterrestrial beings — be they slimy microbes or little green men — would dramatically change the way we humans view our place in the universe. But would it shatter religion? Well, that depends on what you believe.
10 October 2014, 05:56 PM ET
A NASA astronaut living and working on the International Space Station captured an incredible image of Typhoon Vongfong brewing in the Western Pacific.
10 October 2014, 04:43 PM ET
Nichelle Nichols promotes the next-generation NASA capsule and its possible missions.
10 October 2014, 04:03 PM ET
A new role-playing game set for release next year aims to bring fans of the series 'Firefly' back into the space western universe years after the show went off the air.
10 October 2014, 01:03 PM ET
NASA announced Oct. 9 that it has lifted an order that halted work on commercial crew contracts awarded last month to Boeing and SpaceX, saying that delaying work during an ongoing contract protest could jeopardize the operation of the ISS.
10 October 2014, 12:07 PM ET
In an event titled “Go for Payload,” the California Science Center added a Spacehab module to the open hold of the retired space shuttle Endeavour.
10 October 2014, 12:03 PM ET
Retired space shuttle Endeavour continues to draw crowds at the California Science Center in Los Angeles.
10 October 2014, 11:47 AM ET
Forget Saturn's rings. The jewel of the solar system has another stunning feature that only faraway spacecraft can see clearly: a hexagon-shaped vortex that's been swirling above Saturn's north pole for at least 30 years.
10 October 2014, 11:45 AM ET
An excerpt from Marc Kaufman's 'Mars Up Close: Inside the Curiosity Mission,' which was published in August 2014 by National Geographic.
10 October 2014, 10:30 AM ET
NASA's fleet of Red Planet orbiters will be hiding behind the planet when the debris from Comet Siding Spring comes swarming in. The comet will fly within 87,000 miles of the planets surface on October 19th, 2014.
10 October 2014, 10:06 AM ET
Australian astronomers have 'weighed' dark matter associated with the Milky Way, with a surprising result. There is half as much as previously thought, easing the fit between theory and observation.
10 October 2014, 09:57 AM ET
A first look at the new movie was unveiled at the convention in New York City on October 9th, 2014. It is set to hit theaters in May 2015.
10 October 2014, 08:01 AM ET
The moon, the famous Pleiades star cluster and the red star Aldebaran will dance together in the night sky this Saturday.
10 October 2014, 08:00 AM ET
NASA made a cameo in the first teaser trailer for the new, highly secretive Disney movie "Tomorrowland."
10 October 2014, 08:00 AM ET
Researchers are developing new types of robotic systems inspired by elephant trunks, octopus arms and giraffe tongues. These flexible, maneuverable "tentacle robots" could have a variety of space applications, scientists say.
09 October 2014, 11:17 PM ET
This space wallpaper from the NASA/ESA Hubble Space Telescope shows a cosmic oddity, dwarf galaxy DDO 68.
09 October 2014, 05:06 PM ET
NASA's fleet of Red Planet orbiters and rovers will be watching on Oct. 19, when Comet Siding Spring zooms within 87,000 miles of Mars.
09 October 2014, 02:15 PM ET
A strange exoplanet 260 light-years from Earth is showing signs of water vapor in its atmosphere, despite scorching temperatures that are hot enough to melt steel, scientists say.
09 October 2014, 02:01 PM ET
A densely packed star-forming galaxy is reproducing the events that brought light to the early universe.
09 October 2014, 02:01 PM ET
Many "warm Jupiter" alien worlds were probably pulled into their puzzling orbits by nearby planetary neighbors circling on a different plane. The results suggest that not all planetary systems are "flat" like our own solar system, researchers said.
09 October 2014, 11:00 AM ET
Lunar eclipses occur when Earth's shadow blocks the sun. There are three types: The most dramatic is a total lunar eclipse. Find out when is the next one.
09 October 2014, 07:00 AM ET
Space agency scientists are developing two separate mission concepts, called Lunar Flashlight and the Resource Prospector Mission, to assess, and learn how to exploit, stores of water ice and other lunar resources. Both would launch by 2018.
09 October 2014, 07:00 AM ET
After a 40-year search, astronomers have apparently found the first Thorne-Zytkow object, a hypothesized hybrid star thought to form when a red supergiant swallows a neutron star.
09 October 2014, 12:13 AM ET
Each of the colorful objects in this space wallpaper illustrates one of 30 merging galaxies. The contours in the individual galaxies show the signal strength from carbon monoxide while the color represents the motion of gas.
08 October 2014, 05:30 PM ET
The building phase of the $1.4 billion Thirty Meter Telescope kicked off today with a groundbreaking/dedication ceremony near the top of Hawaii's Mauna Kea. If all goes according to plan, TMT should begin observing the heavens in 2022.
08 October 2014, 02:38 PM ET
The test flight, scheduled for December 2014, will examine NASA's new spacecraft by flying it farther than any humans have been since the Apollo missions. NASA engineer Kelly Smith takes explains the flight, step by step.
08 October 2014, 01:45 PM ET
The heart of at least one extremely bright X-ray source is a pulsing star rather than a black hole, a find that startled scientists.