Communications of the ACM
Blinding the Watchman
Internet constellations could thwart killer asteroid discovery algorithms.
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.
From ACM News
Crystal-Rich Rock 'mojave' Is Next Mars Drill Target
A rock target where NASA's Curiosity Mars rover is using its sample-collection drill this week may have a salty story to tell.
From ACM News
Nasa and Esa Celebrate 10 Years Since Titan Landing
Ten years ago, an explorer from Earth parachuted into the haze of an alien moon toward an uncertain fate.
From ACM News
Machines Teach Astronomers About Stars
Astronomers are enlisting the help of machines to sort through thousands of stars in our galaxy and learn their sizes, compositions and other basic traits.
From ACM News
Nasa Mars Rover Opportunity Climbs to High Point on Rim
After completing two drives this week, NASA's Mars Exploration Rover Opportunity has paused to photograph the panoramic vista from the highest point the rover has...
From ACM News
Scientists Pinpoint Saturn With Exquisite Accuracy
Scientists have paired NASA's Cassini spacecraft with the National Science Foundation's Very Long Baseline Array (VLBA) radio-telescope system to pinpoint the position...
From ACM News
Dawn Spacecraft Begins Approach to Dwarf Planet Ceres
NASA's Dawn spacecraft has entered an approach phase in which it will continue to close in on Ceres, a Texas-sized dwarf planet never before visited by a spacecraft...
From ACM News
Sun Sizzles in High-Energy X-Rays
For the first time, a mission designed to set its eyes on black holes and other objects far from our solar system has turned its gaze back closer to home, capturing...
From ACM News
Rosetta Orbiter to Swoop Down On Comet in February
The European Space Agency's orbiting Rosetta spacecraft is expected to come within four miles (six kilometers) of the surface of comet 67P/Churyumov-Gerasimenko...
From ACM News
NASA Voyager: 'Tsunami Wave' Still Flies Through Interstellar Space
The Voyager 1 spacecraft has experienced three shock waves. The most recent shock wave, first observed in February 2014, still appears to be going on. One wave,...
From ACM News
Signs of Ancient Mars Lakes and Quakes Seen in New Map
Long ago, in the largest canyon system in our solar system, vibrations from "marsquakes" shook soft sediments that had accumulated in Martian lakes.
From ACM News
Opals: Light Beams Let Data Rates Soar
You may know opals as fiery gemstones, but something special called OPALS is floating above us in space. On the International Space Station, the Optical Payload...
From ACM News
Saturn's Moons: What a Difference a Decade Makes
Almost immediately after NASA's twin Voyager spacecraft made their brief visits to Saturn in the early 1980s, scientists were hungry for more.
From ACM News
Nasa's Curiosity Rover Finds Clues to How Water Helped Shape Martian Landscape
Observations by NASA's Curiosity Rover indicate Mars' Mount Sharp was built by sediments deposited in a large lake bed over tens of millions of years.
From ACM News
Dawn Snaps Its Best-Yet Image of Dwarf Planet Ceres
The Dawn spacecraft has delivered a glimpse of Ceres, the largest body in the main asteroid belt, in a new image taken 740,000 miles (1.2 million kilometers) from...
From ACM News
Nasa Issues 'remastered' View of Jupiter's Moon Europa
Scientists have produced a new version of what is perhaps NASA's best view of Jupiter's ice-covered moon, Europa.
From ACM News
Researchers Advance 'quantum Teleportation'
The world at the quantum level, at the scale of particles too small for the eye to see, is very strange.
From ACM News
Newest Nasa Mars Orbiter Demonstrates Relay Prowess
The newest node in NASA's Mars telecommunications network—a radio aboard the MAVEN orbiter custom-designed for data links with robots on the surface of Mars—handled...
From ACM News
Nasa's Curiosity Mars Rover Finds Mineral Match
Reddish rock powder from the first hole drilled into a Martian mountain by NASA's Curiosity rover has yielded the mission's first confirmation of a mineral mapped...
From ACM News
Cassini Sees Sunny Seas on Titan
As it soared past Saturn's large moon Titan recently, NASA's Cassini spacecraft caught a glimpse of bright sunlight reflecting off hydrocarbon seas.
From ACM News