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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.


Cassini Spacecraft Makes Its Final Approach to Saturn
From ACM News

Cassini Spacecraft Makes Its Final Approach to Saturn

NASA's Cassini spacecraft is on final approach to Saturn, following confirmation by mission navigators that it is on course to dive into the planet's atmosphere...

Cassini Makes Its 'Goodbye Kiss' Flyby of Titan
From ACM News

Cassini Makes Its 'Goodbye Kiss' Flyby of Titan

NASA's Cassini spacecraft is headed toward its Sept. 15 plunge into Saturn, following a final, distant flyby of the planet's giant moon Titan.

After Cassini: Pondering the Saturn Mission's Legacy
From ACM News

After Cassini: Pondering the Saturn Mission's Legacy

As the Cassini spacecraft nears the end of a long journey rich with scientific and technical accomplishments, it is already having a powerful influence on future...

Jupiter's Aurora Presents a Powerful Mystery
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Jupiter's Aurora Presents a Powerful Mystery

Scientists on NASA''s Juno mission have observed massive amounts of energy swirling over Jupiter's polar regions that contribute to the giant planet's powerful...

NASA's Next Mars Mission to Investigate Interior of Red Planet
From ACM News

NASA's Next Mars Mission to Investigate Interior of Red Planet

Preparation of NASA's next spacecraft to Mars, InSight, has ramped up this summer, on course for launch next May from Vandenberg Air Force Base in central California...

Cassini Prepares to Say Goodbye to a True Titan
From ACM News

Cassini Prepares to Say Goodbye to a True Titan

Mere weeks away from its dramatic, mission-ending plunge into Saturn, NASA's Cassini spacecraft has a hectic schedule, orbiting the planet every week in its ...

25 Years of Global Sea Level Data, and Counting
From ACM News

25 Years of Global Sea Level Data, and Counting

Today marks the 25th anniversary of the launch of a revolutionary ocean research vessel—a space "ship."

Cassini to Begin Final Five Orbits Around Saturn
From ACM News

Cassini to Begin Final Five Orbits Around Saturn

NASA's Cassini spacecraft will enter new territory in its final mission phase, the Grand Finale, as it prepares to embark on a set of ultra-close passes through...

New Clues to Universe's Structure Revealed
From ACM News

New Clues to Universe's Structure Revealed

What is our universe made of, and has its composition changed over time?

Five Years Ago and 154 Million Miles Away: Touchdown!
From ACM News

Five Years Ago and 154 Million Miles Away: Touchdown!

NASA's Curiosity Mars rover, which landed near Mount Sharp five years ago this week, is examining clues on that mountain about long-ago lakes on Mars.

Two Voyagers Taught Us How to Listen to Space
From ACM News

Two Voyagers Taught Us How to Listen to Space

As NASA's twin Voyager spacecraft were changing our understanding of the solar system, they also spurred a leap in spacecraft communications.

NASA's Voyager Spacecraft Still Reaching for the Stars After 40 Years
From ACM News

NASA's Voyager Spacecraft Still Reaching for the Stars After 40 Years

Humanity's farthest and longest-lived spacecraft, Voyager 1 and 2, achieve 40 years of operation and exploration this August and September. Despite their vast distance...

Large, Distant Comets More Common Than Previously Thought
From ACM News

Large, Distant Comets More Common Than Previously Thought

Comets that take more than 200 years to make one revolution around the Sun are notoriously difficult to study.

Saturn Surprises As Cassini Continues its Grand Finale
From ACM News

Saturn Surprises As Cassini Continues its Grand Finale

As NASA's Cassini spacecraft makes its unprecedented series of weekly dives between Saturn and its rings, scientists are finding—so far—that the planet's magnetic...

From Mars Rover: Panorama Above 'Perseverance Valley'
From ACM News

From Mars Rover: Panorama Above 'Perseverance Valley'

NASA's Mars Exploration Rover Opportunity recorded a panoramic view before entering the upper end of a fluid-carved valley that descends the inner slope of a large...

NASA's Juno Spacecraft Spots Jupiter's Great Red Spot
From ACM News

NASA's Juno Spacecraft Spots Jupiter's Great Red Spot

Images of Jupiter's Great Red Spot reveal a tangle of dark, veinous clouds weaving their way through a massive crimson oval.

Curiosity Mars Rover Begins Study of Ridge Destination
From ACM News

Curiosity Mars Rover Begins Study of Ridge Destination

The car-size NASA rover on a Martian mountain, Curiosity, has begun its long-anticipated study of an iron-bearing ridge forming a distinctive layer on the mountain's...

Sleuthing for Seismic Answers in the Sooner State
From ACM News

Sleuthing for Seismic Answers in the Sooner State

Oklahomans are no strangers to Mother Nature's whims.

NASA Completes Study of Future 'Ice Giant' Mission Concepts
From ACM News

NASA Completes Study of Future 'Ice Giant' Mission Concepts

A NASA-led and NASA-sponsored study of potential future missions to the mysterious "ice giant" planets Uranus and Neptune has been released—the first in a series...

NuSTAR's First Five Years in Space
From ACM News

NuSTAR's First Five Years in Space

Five years ago, on June 13, 2012, Caltech's Fiona Harrison, principal investigator of NASA's NuSTAR mission, watched with her team as their black-hole-spying spacecraft...
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