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Communications of the ACM

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Latest News News Archive Refine your search:
dateMore Than a Year Ago
subjectTheory
authorJet Propulsion Laboratory/NASA

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


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.

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...

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...

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,...

Mars Canyons Study Adds Clues About Possible Water
From ACM News

Mars Canyons Study Adds Clues About Possible Water

Puzzles persist about possible water at seasonally dark streaks on Martian slopes, according to a new study of thousands of such features in the Red Planet's largest...

Nasa Rover's Sand-Dune Studies Yield Surprise
From ACM News

Nasa Rover's Sand-Dune Studies Yield Surprise

Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about...

Nasa's Juno Peers Inside a Giant
From ACM News

Nasa's Juno Peers Inside a Giant

NASA's Juno spacecraft will make its long anticipated arrival at Jupiter on July 4. Coming face-to-face with the gas giant, Juno will begin to unravel some of the...

Recent Hydrothermal Activity May Explain Ceres' Brightest Area
From ACM News

Recent Hydrothermal Activity May Explain Ceres' Brightest Area

The brightest area on Ceres, located in the mysterious Occator Crater, has the highest concentration of carbonate minerals ever seen outside Earth, according to...

Nasa Rover Findings Point to a More Earth-Like Martian Past
From ACM News

Nasa Rover Findings Point to a More Earth-Like Martian Past

Chemicals found in Martian rocks by NASA's Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now.

Nasa's Juno Spacecraft Closing in on Jupiter
From ACM News

Nasa's Juno Spacecraft Closing in on Jupiter

Last Friday (6/24), at exactly 9:57 and 48 seconds a.m. PDT, NASA's Juno spacecraft was 5.5 million miles (8.9 million kilometers) from its July 4th appointment...

Nasa Scientists Discover ­nexpected Mineral on Mars
From ACM News

Nasa Scientists Discover ­nexpected Mineral on Mars

Scientists have discovered an unexpected mineral in a rock sample at Gale Crater on Mars, a finding that may alter our understanding of how the planet evolved.

Nasa's K2 Finds Newborn Exoplanet Around Young Star
From ACM News

Nasa's K2 Finds Newborn Exoplanet Around Young Star

Astronomers have discovered the youngest fully formed exoplanet ever detected.

Rover Opportunity Wrapping ­p Study of Martian Valley
From ACM News

Rover Opportunity Wrapping ­p Study of Martian Valley

"Marathon Valley," slicing through a large crater's rim on Mars, has provided fruitful research targets for NASA's Opportunity rover since July 2015, but the rover...

Nasa Mars Rover Descends Plateau, Turns Toward Mountain
From ACM News

Nasa Mars Rover Descends Plateau, Turns Toward Mountain

NASA's Curiosity Mars rover has analyzed its 12th drilled sample of Mars. This sample came from mudstone bedrock, which the rover resumed climbing in late May after...
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