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03 April 2014, 02:00 PM ET
Using data from a close fly-by of the moon by NASA Cassini probe, researchers have suggested that there is something dense beneath 18 to 24 miles of ice. Liquid water is the most likely suspect, Sapienza Università scientist Luciano Less explains.
03 April 2014, 07:00 AM ET
Scientists and engineers at NASA's Ames Research Center in Moffett Field, Calif., are drawing up a low-cost mission concept that would send a robotic spacecraft to Phobos or Deimos, one of Mars' two tiny satellites.
03 April 2014, 07:00 AM ET
The space agency issued a request for information on Monday in an attempt to find partners who wish to use the Stratospheric Observatory for Infrared Astronomy, a modified Boeing 747 jet that scans the heavens using an 8.2-foot-wide telescope.
03 April 2014, 02:21 AM ET
Matter's strange cousin may interact differently with gravity, meaning it may actually fall up. A new experiment to weigh antimatter could solve this physics mystery.
03 April 2014, 12:17 AM ET
This space wallpaper is a collage of galaxies in the Herschel Reference Survey at infrared/submillimetre wavelengths by Herschel (left) and at visible wavelengths from the Sloan Digital Sky Survey (SDSS, right).
03 April 2014, 12:11 AM ET
The inside story of how the dialect of 'Dark Eden' was created.
03 April 2014, 12:00 AM ET
Marooned on a planet far from Earth, what happens when the survivors' succeeding generations lose hope of rescue?
02 April 2014, 08:10 PM ET
NASA is suspending most of its cooperation with Russia as a result of the ongoing situation in Ukraine, agency officials announced Wednesday afternoon (April 2). But it will be business as usual aboard the International Space Station.
02 April 2014, 04:32 PM ET
An observatory in Chile has caught sight of a cosmic killer: a galaxy that has destroyed at least one of its galactic neighbors.
02 April 2014, 04:10 PM ET
China launched an experimental satellite Monday aboard a Long March 2C rocket from the Jiuquan space base in northwest China, according to official media reports.
02 April 2014, 03:36 PM ET
If outer space is indeed a lot of nothing, than the newly named North Korean space agency may be aptly titled, albeit inadvertently
02 April 2014, 01:01 PM ET
The moon, Earth's only natural satellite, formed about 95 million years after solids started forming in the solar system. Learn more about how Earth's nearest neighbor evolved.
02 April 2014, 01:01 PM ET
After gazing up at the moon for thousands of years, we're still not exactly sure how it came to be. Here's a brief rundown of the most prominent theories scientists have come up with to explain the moon's origin.
02 April 2014, 01:01 PM ET
Scientists have pinned down the birth date of the moon to within 100 million years of the birth of the solar system — the best timeline yet for the evolution of our planet's natural satellite.
02 April 2014, 01:01 PM ET
The dusty surface of small asteroids is born by extreme temperature shifts between periods of sunlight and darkness, a cycle of drastic changes that break up space rocks over time, scientists say.
02 April 2014, 01:00 PM ET
The moon is Earth's nearest neighbor, but its origins date back to a violent birth billions of years ago. See how the moon was made in this Space.com infographic.
02 April 2014, 10:23 AM ET
Strange stripelike features in Earth's magnetic field are caused by the planet's spin, and not by the constant bombardment of solar particles as previously thought, scientists say.
02 April 2014, 09:55 AM ET
New satellite photos reveal the astonishing damage from a deadly landslide that swept through the small town of Oso, Wash., earlier this month.
02 April 2014, 07:00 AM ET
China’s huge new rocket is headed toward its maiden flight from the country's soon-to-be-complete launch center on Hainan Island, at the southern tip of China, far from the nation's mainland.
02 April 2014, 06:42 AM ET
Tiny space rocks called "minimoons" already cruise near Earth and would make interesting targets for manned exploration, advocates say.
02 April 2014, 06:00 AM ET
‘Rapacious’ Galaxy NGC 1316 has devoured many other galaxies during its violent history. Fossils of this mayhem can be seen in new imagery from ESO’s La Silla Observatory. In comparison, galaxy NGC 1317's spiral arms are sound.
02 April 2014, 04:19 AM ET
Where are the aliens? That is the question that the Fermi Paradox seeks to answer. Given our solar system's relatively young age, the theory says that aliens should have visited us already.
02 April 2014, 12:20 AM ET
This space wallpaper is an artist's concept depicting NASA's Voyager 1 spacecraft entering interstellar space, or the space between stars.
01 April 2014, 06:00 PM ET
NASA has developed a line of tiny spacecraft based on commercial smartphones, in an attempt to demonstrate how well cheap, off-the-shelf electronics can perform and survive in the space environment.
01 April 2014, 05:32 PM ET
Add the Monastery at Petra to the monuments that humans likely built for astronomical purposes. New research suggests that ancient architects tracked the motion of the sun and constructed the religious center with the winter solstice in mind.
01 April 2014, 04:06 PM ET
A $518 million military weather satellite that has been waiting 15 years to shine will be launched into orbit Thursday atop an Atlas 5 rocket from the western spaceport in California.
01 April 2014, 02:00 PM ET
April features eclipses of the sun and moon, a meteor shower and good opportunities to see Vesta and Ceres, the two biggest bodies in the main asteroid belt between Mars and Jupiter.
01 April 2014, 01:44 PM ET
NASA astronaut Mike Hopkins swaps out the International Space Station's Solid Waste Container SWC/KTO.
01 April 2014, 12:43 PM ET
From a billionaire to a respected science journal, everyone is getting in on the ridiculous April Fools' Day fun. A few of the more elaborate jokes flying around the internet today (April 1) involve spaceflight and astrophysics.