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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.


Mars Rover Curiosity Examines Possible Mud Cracks
From ACM News

Mars Rover Curiosity Examines Possible Mud Cracks

Scientists used NASA's Curiosity Mars rover in recent weeks to examine slabs of rock cross-hatched with shallow ridges that likely originated as cracks in drying...

Huygens: 'Ground Truth' From an Alien Moon
From ACM News

Huygens: 'Ground Truth' From an Alien Moon

After a two-and-a-half-hour descent, the metallic, saucer-shaped spacecraft came to rest with a thud on a dark floodplain covered in cobbles of water ice, in temperatures...

Black Holes Hide in Our Cosmic Backyard
From ACM News

Black Holes Hide in Our Cosmic Backyard

Monster black holes sometimes lurk behind gas and dust, hiding from the gaze of most telescopes. But they give themselves away when material they feed on emits...

Your Home Planet, as Seen From Mars
From ACM News

Your Home Planet, as Seen From Mars

From the most powerful telescope orbiting Mars comes a new view of Earth and its moon, showing continent-size detail on the planet and the relative size of the...

Where Is the Ice on Ceres? New NASA Dawn Findings
From ACM News

Where Is the Ice on Ceres? New NASA Dawn Findings

At first glance, Ceres, the largest body in the main asteroid belt, may not look icy.

NASA Releases New Eye-Popping View of Carbon Dioxide
From ACM News

NASA Releases New Eye-Popping View of Carbon Dioxide

A new NASA supercomputer project builds on the agency's satellite measurements of carbon dioxide and combines them with a sophisticated Earth system model to provide...

Earth's Magnetic Fields Could Track Ocean Heat: NASA
From ACM News

Earth's Magnetic Fields Could Track Ocean Heat: NASA

As Earth warms, much of the extra heat is stored in the planet's ocean—but monitoring the magnitude of that heat content is a difficult task.

NASA Juno Mission Prepares for December 11 Jupiter Flyby
From ACM News

NASA Juno Mission Prepares for December 11 Jupiter Flyby

On Sunday, December 11, at 9:04 a.m. PST (12:04 p.m. EST, 17:04 UTC) NASA's Juno spacecraft will make its third science flyby of Jupiter.

Spinoff 2017: NASA Tech Makes a Difference on Earth
From ACM News

Spinoff 2017: NASA Tech Makes a Difference on Earth

NASA has released its Spinoff 2017 publication, which takes a close look at 50 different companies that are using NASA technology—innovations developed by NASA,...

Cassini Makes First Ring-Grazing Plunge
From ACM News

Cassini Makes First Ring-Grazing Plunge

NASA's Saturn-orbiting Cassini spacecraft has made its first close dive past the outer edges of Saturn's rings since beginning its penultimate mission phase on...

NASA Saturn Mission Prepares for 'Ring-Grazing Orbits'
From ACM News

NASA Saturn Mission Prepares for 'Ring-Grazing Orbits'

A thrilling ride is about to begin for NASA's Cassini spacecraft.

Mars Ice Deposit Holds as Much Water as Lake Superior
From ACM News

Mars Ice Deposit Holds as Much Water as Lake Superior

Frozen beneath a region of cracked and pitted plains on Mars lies about as much water as what's in Lake Superior, largest of the Great Lakes, researchers using...

New Ceres Views as Dawn Moves Higher
From ACM News

New Ceres Views as Dawn Moves Higher

The brightest area on Ceres stands out amid shadowy, cratered terrain in a dramatic new view from NASA's Dawn spacecraft, taken as it looked off to the side of...

NASA Small Satellites Will Take a Fresh Look at Earth
From ACM News

NASA Small Satellites Will Take a Fresh Look at Earth

Beginning this month, NASA is launching a suite of six next-generation, Earth-observing small satellite missions to demonstrate innovative new approaches for studying...

Watching Summer Clouds on Titan
From ACM News

Watching Summer Clouds on Titan

NASA's Cassini spacecraft watched clouds of methane moving across the far northern regions of Saturn's largest moon, Titan, on Oct. 29­­­­ and 30, 2016.

Schiaparelli Impact Site on Mars, in Color
From ACM News

Schiaparelli Impact Site on Mars, in Color

On Nov. 1, 2016, the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter observed the impact site of Europe's Schiaparelli...

NASA Moon Mission Shares Insights into Giant Impacts
From ACM News

NASA Moon Mission Shares Insights into Giant Impacts

New results from NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission are providing insights into the huge impacts that dominated the early history of...

Further Clues to Fate of Mars Lander, Seen From Orbit
From ACM News

Further Clues to Fate of Mars Lander, Seen From Orbit

The most powerful telescope orbiting Mars is providing new details of the scene near the Martian equator where Europe's Schiaparelli test lander hit the surface...

Camera on Mars Orbiter Shows Signs of Latest Mars Lander
From ACM News

Camera on Mars Orbiter Shows Signs of Latest Mars Lander

NASA's Mars Reconnaissance Orbiter has identified new markings on the surface of the Red Planet that are believed to be related to Europe's Schiaparelli test lander...

New Horizons: Possible Clouds on Pluto, Next Target is Reddish
From ACM News

New Horizons: Possible Clouds on Pluto, Next Target is Reddish

The next target for NASA's New Horizons mission—which made a historic flight past Pluto in July 2015—apparently bears a colorful resemblance to its famous, main...
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