Communications of the ACM
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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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Dust Storms on Titan Spotted for the First Time
Data from NASA's Cassini spacecraft has revealed what appear to be giant dust storms in equatorial regions of Saturn's moon Titan.
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Scientists ID Three Causes of Earth's Spin Axis Drift
A typical desk globe is designed to be a geometric sphere and to rotate smoothly when you spin it. Our actual planet is far less perfect—in both shape and in rotation...
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Legacy of NASA's Dawn, Near the End of its Mission
NASA's Dawn mission is drawing to a close after 11 years of breaking new ground in planetary science, gathering breathtaking imagery, and performing unprecedented...
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Curiosity Surveys a Mystery nder Dusty Skies
After snagging a new rock sample on Aug. 9, NASA's Curiosity rover surveyed its surroundings on Mars, producing a 360-degree panorama of its current location on...
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Martian Skies Clearing over Opportunity Rover
A planet-encircling dust storm on Mars, which was first detected May 30 and halted operations for the Opportunity rover, continues to abate.
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15 Years in Space for NASA's Spitzer Space Telescope
Initially scheduled for a minimum 2.5-year primary mission, NASA's Spitzer Space Telescope has gone far beyond its expected lifetime—and is still going strong after...
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Six Things About Opportunity's Recovery Efforts
NASA's Opportunity rover has been silent since June 10, when a planet-encircling dust storm cut off solar power for the nearly-15-year-old rover.
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The Fading Ghost of a Long-Dead Star
Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope...
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'Storm Chasers' on Mars Searching for Dusty Secrets
Storm chasing takes luck and patience on Earth—and even more so on Mars.
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Dusk for Dawn: Mission of Many Firsts to Gather More Data in Home Stretch
As NASA's Dawn spacecraft prepares to wrap up its groundbreaking 11-year mission, which has included two successful extended missions at Ceres, it will continue...
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Dawn's Latest Orbit Reveals Dramatic New Views of Occator Crater
NASA's Dawn spacecraft reached its lowest-ever and final orbit around dwarf planet Ceres on June 6 and has been returning thousands of stunning images and other...
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Complex Organics Bubble p from Enceladus
Data from NASA's Cassini spacecraft reveal complex organic molecules originating from Saturn's icy moon Enceladus, strengthening the idea that this ocean world...
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NASA Asks: Will We Know Life When We See It?
In the last decade, we have discovered thousands of planets outside our solar system and have learned that rocky, temperate worlds are numerous in our galaxy.
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Martian Dust Storm Grows Global; Curiosity Captures Photos of Thickening Haze
A storm of tiny dust particles has engulfed much of Mars over the last two weeks and prompted NASA's Opportunity rover to suspend science operations.
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Astronomers See Distant Eruption as Black Hole Destroys Star
For the first time, astronomers have directly imaged the formation and expansion of a fast-moving jet of material ejected when the powerful gravity of a supermassive...
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Ramp-p in Antarctic Ice Loss Speeds Sea Level Rise
Ice losses from Antarctica have tripled since 2012, increasing global sea levels by 0.12 inch (3 millimeters) in that timeframe alone, according to a major new...
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Opportunity Hunkers Down During Dust Storm
NASA engineers received a transmission from Opportunity on Sunday morning, a positive sign despite the worsening dust storm.
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NASA Finds Ancient Organic Material, Mysterious Methane on Mars
NASA's Curiosity rover has found new evidence preserved in rocks on Mars that suggests the planet could have supported ancient life, as well as new evidence in...
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Mars Curiosity's Labs Are Back in Action
NASA's Curiosity rover is analyzing drilled samples on Mars in one of its onboard labs for the first time in more than a year.
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