Communications of the ACM
Fighting Impersonation by AI
Finding ways to determine whether a voice message is real or generated by an artificial intelligence.
From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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15 Years in Space for NASA's Spitzer Space Telescope
Initially scheduled for a minimum 2.5-year primary mission, NASA's Spitzer Space Telescope has gone far beyond its expected lifetime—and is still going strong after...
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Six Things About Opportunity's Recovery Efforts
NASA's Opportunity rover has been silent since June 10, when a planet-encircling dust storm cut off solar power for the nearly-15-year-old rover.
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The Fading Ghost of a Long-Dead Star
Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope...
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'Storm Chasers' on Mars Searching for Dusty Secrets
Storm chasing takes luck and patience on Earth—and even more so on Mars.
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Dusk for Dawn: Mission of Many Firsts to Gather More Data in Home Stretch
As NASA's Dawn spacecraft prepares to wrap up its groundbreaking 11-year mission, which has included two successful extended missions at Ceres, it will continue...
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Dawn's Latest Orbit Reveals Dramatic New Views of Occator Crater
NASA's Dawn spacecraft reached its lowest-ever and final orbit around dwarf planet Ceres on June 6 and has been returning thousands of stunning images and other...
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Complex Organics Bubble p from Enceladus
Data from NASA's Cassini spacecraft reveal complex organic molecules originating from Saturn's icy moon Enceladus, strengthening the idea that this ocean world...
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NASA Asks: Will We Know Life When We See It?
In the last decade, we have discovered thousands of planets outside our solar system and have learned that rocky, temperate worlds are numerous in our galaxy.
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Martian Dust Storm Grows Global; Curiosity Captures Photos of Thickening Haze
A storm of tiny dust particles has engulfed much of Mars over the last two weeks and prompted NASA's Opportunity rover to suspend science operations.
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Astronomers See Distant Eruption as Black Hole Destroys Star
For the first time, astronomers have directly imaged the formation and expansion of a fast-moving jet of material ejected when the powerful gravity of a supermassive...
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Ramp-p in Antarctic Ice Loss Speeds Sea Level Rise
Ice losses from Antarctica have tripled since 2012, increasing global sea levels by 0.12 inch (3 millimeters) in that timeframe alone, according to a major new...
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Opportunity Hunkers Down During Dust Storm
NASA engineers received a transmission from Opportunity on Sunday morning, a positive sign despite the worsening dust storm.
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Mars Curiosity's Labs Are Back in Action
NASA's Curiosity rover is analyzing drilled samples on Mars in one of its onboard labs for the first time in more than a year.
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Dawn Mission: New Orbit, New Opportunities
NASA's Dawn spacecraft is maneuvering to its lowest-ever orbit for a close-up examination of the inner solar system's only dwarf planet.
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Take a Virtual Trip to a Strange New World with NASA
Are you looking for an exotic destination to visit this summer? Why not take a virtual trip to an Earth-size planet beyond our solar system with NASA's interactive ...
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Drilling Success: Curiosity is Collecting Mars Rocks
Engineers working with NASA's Curiosity Mars rover have been hard at work testing a new way for the rover to drill rocks and extract powder from them.
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Old Data Reveal New Evidence of Europa Plumes
Scientists re-examining data from an old mission bring new insights to the tantalizing question of whether Jupiter's moon Europa has the ingredients to support...
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Mars Helicopter to Fly on NASA's Next Red Planet Rover Mission
NASA is sending a helicopter to Mars.
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GRACE-FO: Cracking a Cold Case
Reports of the rapidly melting West Antarctic ice sheet often refer to how much the melting could add to global sea levels—as if meltwater raises the ocean evenly...
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