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Communications of the ACM

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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


Farewell Rosetta: Esa Mission to End on Comet Surface
From ACM News

Farewell Rosetta: Esa Mission to End on Comet Surface

The European Space Agency's (ESA) Rosetta mission will come to a dramatic end on Friday,

Hubble: Possible Water Plumes on Jupiter's Moon Europa
From ACM News

Hubble: Possible Water Plumes on Jupiter's Moon Europa

Astronomers using NASA's Hubble Space Telescope have imaged what may be water vapor plumes erupting off the surface of Jupiter's moon Europa.

Nasa Scientists Find 'impossible' Cloud on Titan--Again
From ACM News

Nasa Scientists Find 'impossible' Cloud on Titan--Again

The puzzling appearance of an ice cloud seemingly out of thin air has prompted NASA scientists to suggest that a different process than previously thought—possibly...

Cassini Begins Epic Final Year at Saturn
From ACM News

Cassini Begins Epic Final Year at Saturn

After more than 12 years studying Saturn, its rings and moons, NASA's Cassini spacecraft has entered the final year of its epic voyage.

Mars Rover Views Spectacular Layered Rock Formations
From ACM News

Mars Rover Views Spectacular Layered Rock Formations

The layered geologic past of Mars is revealed in stunning detail in new color images returned by NASA's Curiosity Mars rover, which is currently exploring the "Murray...

Titan's Dunes and Other Features Emerge in New Images
From ACM News

Titan's Dunes and Other Features Emerge in New Images

New scenes from a frigid alien landscape are coming to light in recent radar images of Saturn's largest moon, Titan, from NASA's Cassini spacecraft.

Ceres' Geological Activity, Ice Revealed in New Research
From ACM News

Ceres' Geological Activity, Ice Revealed in New Research

A lonely 3-mile-high (5-kilometer-high) mountain on Ceres is likely volcanic in origin, and the dwarf planet may have a weak, temporary atmosphere.

35 Years On, Voyager's Legacy Continues at Saturn
From ACM News

35 Years On, Voyager's Legacy Continues at Saturn

Saturn, with its alluring rings and numerous moons, has long fascinated stargazers and scientists.

Test For Damp Ground at Mars' Seasonal Streaks Finds None
From ACM News

Test For Damp Ground at Mars' Seasonal Streaks Finds None

Seasonal dark streaks on Mars that have become one of the hottest topics in interplanetary research don't hold much water, according to the latest findings from...

Cassini Finds Flooded Canyons on Titan
From ACM News

Cassini Finds Flooded Canyons on Titan

NASA's Cassini spacecraft has found deep, steep-sided canyons on Saturn's moon Titan that are flooded with liquid hydrocarbons.

Curiosity Rover Report: Four Years on Mars
From ACM News

Curiosity Rover Report: Four Years on Mars

NASA's Mars rover Curiosity celebrates its fourth year on Mars since landing at Gale crater on August 5, 2012.

Nasa Maps Thawed Areas Under Greenland Ice Sheet
From ACM News

Nasa Maps Thawed Areas Under Greenland Ice Sheet

NASA researchers have helped produce the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed—key information in better predicting...

What's Inside Ceres? New Findings from Gravity Data
From ACM News

What's Inside Ceres? New Findings from Gravity Data

In the tens of thousands of photos returned by NASA's Dawn spacecraft, the interior of Ceres isn't visible. But scientists have powerful data to study Ceres' inner...

Five Years Post-Launch, Juno Is at a Turning Point
From ACM News

Five Years Post-Launch, Juno Is at a Turning Point

Five years after departing Earth, and a month after slipping into orbit around Jupiter, NASA's Juno spacecraft is nearing a turning point.

Mars Gullies Likely Not Formed By Liquid Water
From ACM News

Mars Gullies Likely Not Formed By Liquid Water

New findings using data from NASA's Mars Reconnaissance Orbiter show that gullies on modern Mars are likely not being formed by flowing liquid water.

Chorus of Black Holes Sings in X-Rays
From ACM News

Chorus of Black Holes Sings in X-Rays

Supermassive black holes in the universe are like a raucous choir singing in the language of X-rays. When black holes pull in surrounding matter, they let out powerful...

Nasa Mars Rover Can Choose Laser Targets on Its Own
From ACM News

Nasa Mars Rover Can Choose Laser Targets on Its Own

NASA's Mars rover Curiosity is now selecting rock targets for its laser spectrometer—the first time autonomous target selection is available for an instrument of...

X Marks the Spot For Milky Way Formation
From ACM News

X Marks the Spot For Milky Way Formation

A new understanding of our galaxy's structure began in an unlikely way: on Twitter. A research effort sparked by tweets led scientists to confirm that the Milky...

Nasa's Kepler Confirms 100+ Exoplanets During Its K2 Mission
From ACM News

Nasa's Kepler Confirms 100+ Exoplanets During Its K2 Mission

An international team of astronomers has discovered and confirmed a treasure trove of new worlds using NASA's Kepler spacecraft on its K2 mission.

NASA's Next Mars Rover Progresses Toward 2020 Launch
From ACM News

NASA's Next Mars Rover Progresses Toward 2020 Launch

After an extensive review process and passing a major development milestone, NASA is ready to proceed with final design and construction of its next Mars rover,...
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