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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.


NASA's Cassini Reveals Surprises with Titan's Lakes
From ACM News

NASA's Cassini Reveals Surprises with Titan's Lakes

On its final flyby of Saturn's largest moon in 2017, NASA's Cassini spacecraft gathered radar data revealing that the small liquid lakes in Titan's northern hemisphere...

Curiosity Tastes First Sample in 'Clay-Bearing ­nit'
From ACM News

Curiosity Tastes First Sample in 'Clay-Bearing ­nit'

Scientists working with NASA's Curiosity Mars rover have been excited to explore a region called "the clay-bearing unit" since before the spacecraft launched.

Europa Clipper High-Gain Antenna ­ndergoes Testing
From ACM News

Europa Clipper High-Gain Antenna ­ndergoes Testing

It probably goes without saying, but this isn't your everyday satellite dish. In fact, it's not a satellite dish at all.

NASA's Mars Helicopter Completes Flight Tests
From ACM News

NASA's Mars Helicopter Completes Flight Tests

Since the Wright brothers first took to the skies of Kill Devil Hills, North Carolina, Dec. 17, 1903, first flights have been important milestones in the life of...

Asteroids, Hydrogen Make Great Recipe for Life on Mars
From ACM News

Asteroids, Hydrogen Make Great Recipe for Life on Mars

A new study reveals asteroid impacts on ancient Mars could have produced key ingredients for life if the Martian atmosphere was rich in hydrogen.

Opportunity's Parting Shot Was a Beautiful Panorama
From ACM News

Opportunity's Parting Shot Was a Beautiful Panorama

Over 29 days last spring, NASA's Mars Exploration Rover Opportunity documented this 360-degree panorama from multiple images taken at what would become its final...

Galactic Wind Provides Clues to Evolution of Galaxies
From ACM News

Galactic Wind Provides Clues to Evolution of Galaxies

The Cigar Galaxy (also known as M82) is famous for its extraordinary speed in making new stars, with stars being born 10 times faster than in the Milky Way.

Mars InSight Lander's 'Mole' Pauses Digging
From ACM News

Mars InSight Lander's 'Mole' Pauses Digging

NASA's Mars InSight lander has a probe designed to dig up to 16 feet (5 meters) below the surface and measure heat coming from inside the planet.

NASA Study Reproduces Origins of Life on Ocean Floor
From ACM News

NASA Study Reproduces Origins of Life on Ocean Floor

Scientists have reproduced in the lab how the ingredients for life could have formed deep in the ocean 4 billion years ago. The results of the new study offer clues...

InSight Is the Newest Mars Weather Service
From ACM News

InSight Is the Newest Mars Weather Service

No matter how cold your winter has been, it's probably not as chilly as Mars. Check for yourself: Starting today, the public can get a daily weather report from...

NASA Selects New Mission to Explore Origins of ­niverse
From ACM News

NASA Selects New Mission to Explore Origins of ­niverse

NASA has selected a new space mission that will help astronomers understand both how our universe evolved and how common are the ingredients for life in our galaxy's...

Six Things to Know About NASA's Opportunity Mars Rover
From ACM News

Six Things to Know About NASA's Opportunity Mars Rover

After 15 years, the mission of NASA's Opportunity rover has come to an end, but its successes on Mars have earned it a spot in the robot hall of fame. Here's what...

360 Video: Curiosity Rover Departs Vera Rubin Ridge
From ACM News

360 Video: Curiosity Rover Departs Vera Rubin Ridge

After exploring Mars' Vera Rubin Ridge for more than a year, NASA's Curiosity rover recently moved on. But a new 360-video lets the public visit Curiosity's final...

Rover Team Beaming New Commands to Opportunity on Mars
From ACM News

Rover Team Beaming New Commands to Opportunity on Mars

Engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, have begun transmitting a new set of commands to the Opportunity rover in an attempt to compel...

NASA's InSight Places First Instrument on Mars
From ACM News

NASA's InSight Places First Instrument on Mars

NASA's InSight lander has deployed its first instrument onto the surface of Mars, completing a major mission milestone. New images from the lander show the seismometer...

NASA's Juno Mission Halfway to Jupiter Science
From ACM News

NASA's Juno Mission Halfway to Jupiter Science

On Dec. 21, at 8:49:48 a.m. PST (11:49:48 a.m. EST) NASA's Juno spacecraft will be 3,140 miles (5,053 kilometers) above Jupiter's cloud tops and hurtling by at...

NASA's InSight Takes Its First Selfie
From ACM News

NASA's InSight Takes Its First Selfie

NASA's InSight lander isn't camera-shy. The spacecraft used a camera on its robotic arm to take its first selfie—a mosaic made up of 11 images.

NASA's Voyager 2 Probe Enters Interstellar Space
From ACM News

NASA's Voyager 2 Probe Enters Interstellar Space

For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere, the protective...

NASA InSight Lander 'Hears' Martian Winds
From ACM News

NASA InSight Lander 'Hears' Martian Winds

NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat Transport InSight lander, which touched down on Mars just 10 days ago, has provided the...

The 'Camera That Saved Hubble' Turns 25
From ACM News

The 'Camera That Saved Hubble' Turns 25

Twenty-five years ago this week, NASA held its collective breath as seven astronauts on space shuttle Endeavour caught up with the Hubble Space Telescope 353 miles...
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