Communications of the ACM
Organizing Unstructured Data
Vector databases, commonly used for similarity search and product recommendations, are a shining light in the era of Artificial… From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Panorama From Nasa Mars Rover Shows Mount Sharp
Rising above the present location of NASA's Mars rover Curiosity, higher than any mountain in the 48 contiguous states of the United States, Mount Sharp is featured...
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Nasa Rover Finds Conditions Once Suited For Ancient Life on Mars
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
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Curiosity Rover's Recovery Moving Forward
NASA's Mars rover Curiosity continues to move forward with assessment and recovery from a memory glitch that affected the rover's A-side computer.
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A Window Into Europa's Ocean Right at the Surface
If you could lick the surface of Jupiter's icy moon Europa, you would actually be sampling a bit of the ocean beneath.
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NASA Rover Confirms First Drilled Mars Rock Sample
NASA's Mars rover Curiosity has relayed new images that confirm it has successfully obtained the first sample ever collected from the interior of a rock on another...
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Nasa Satellites Find Freshwater Losses in Middle East
A new study using data from a pair of gravity-measuring NASA satellites finds that large parts of the arid Middle East region lost freshwater reserves rapidly during...
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Nasa Curiosity Rover Collects First Martian Bedrock Sample
NASA's Curiosity rover has, for the first time, used a drill carried at the end of its robotic arm to bore into a flat, veiny rock on Mars and collect a sample...
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Nasa's Cassini Watches Storm Choke on Its Own Tail
Call it a Saturnian version of the Ouroboros, the mythical serpent that bites its own tail.
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NASA Mars Rover Preparing to Drill Into First Martian Rock
NASA's Mars rover Curiosity is driving toward a flat rock with pale veins that may hold clues to a wet history on the Red Planet.
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When Huygens Met Titan
Eight years ago, the European Space Agency's Huygens bounced, slid, and wobbled its way to rest on the surface of Saturn's moon Titan.
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Billions and Billions of Planets
Look up at the night sky and you'll see stars, sure. But the sky is also filled with planets—billions and billions of them at least.
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Nasa Mars Rover Fully Analyzes First Soil Samples
NASA's Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian...
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What Goes Down Must Come Back Up
For most of the past two decades, the NASA and European Topex/Poseidon, Jason-1 and Jason-2 satellites have tracked the gradual rise of the world's ocean in response...
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NASA Observatories Find Most Distant Galaxy Candidate
By combining the power of NASA's Hubble and Spitzer space telescopes and one of nature's own natural "zoom lenses" in space, astronomers have set a new record for...
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Nasa's Spitzer Sees Light of Lonesome Stars
A new study using data from NASA's Spitzer Space Telescope suggests a cause for the mysterious glow of infrared light seen across the entire sky.
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Nasa's Infrared Observatory Measures Expansion of Universe
Astronomers using NASA's Spitzer Space Telescope have announced the most precise measurement yet of the Hubble constant, or the rate at which our universe is stretching...
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Hubble Goes to the Extreme to Assemble Farthest-Ever View of the niverse
Like photographers assembling a portfolio of best shots, astronomers have assembled a new, improved portrait of mankind's deepest-ever view of the universe.
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Curiosity Finishes Close Inspection of Rock Target
NASA's rover Curiosity touched a Martian rock with its robotic arm for the first time on Sept. 22, assessing what chemical elements are in the rock called "Jake...
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Mars Rover Curiosity Arm Tests Nearly Complete
NASA's Mars Curiosity team has almost finished robotic arm tests in preparation for the rover to touch and examine its first Martian rock.
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