Communications of the ACM
Why the Simplex Method, at Age 75, is Still the Go-To Algorithm
Daniel A. Spielman and colleague Shang-hua Teng solved the mystery of the Simplex Method using a technique called smoothed analysis… 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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Rosetta's Miro Instrument Maps Comet Water
Since last September, scientists using NASA's Microwave Instrument for Rosetta Orbiter (MIRO) on the European Space Agency's Rosetta spacecraft have generated maps...
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Saturn Spacecraft to Buzz Icy Moon Dione June 16
NASA's Cassini spacecraft will make a close flyby of Saturn's moon Dione on June 16, coming within 321 miles (516 kilometers) of the moon's surface.
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Nasa Spacecraft Detects Impact Glass on Surface of Mars
NASA's Mars Reconnaissance Orbiter (MRO) has detected deposits of glass within impact craters on Mars.
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Nasa Instrument on Rosetta Makes Comet Atmosphere Discovery
Data collected by NASA's Alice instrument aboard the European Space Agency's Rosetta spacecraft reveal that electrons close to the surface of comet 67P/Churyumov...
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Cassini Prepares For Last p-Close Look at Hyperion
NASA's Cassini spacecraft will make its final close approach to Saturn's large, irregularly shaped moon Hyperion on Sunday, May 31.
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Nasa Begins Testing Mars Lander For Next Mission to Red Planet
Testing is underway on NASA's next mission on the journey to Mars, a stationary lander scheduled to launch in March 2016.
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Europa Mission to Probe Magnetic Field and Chemistry
Two powerful science investigations will help unravel the mystery of whether Jupiter's icy moon Europa might have the right conditions for life, when a new NASA...
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Mars Rover's Laser-Zapping Instrument Gets Sharper Vision
Tests on Mars have confirmed success of a repair to the autonomous focusing capability of the Chemistry and Camera (ChemCam) instrument on NASA's Curiosity Mars...
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NASA's WISE Spacecraft Discovers Most Luminous Galaxy in niverse
A remote galaxy shining with the light of more than 300 trillion suns has been discovered using data from NASA's Wide-field Infrared Survey Explorer (WISE).
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Nasa Soil Moisture Mission Begins Science Operations
NASA's new Soil Moisture Active Passive (SMAP) mission to map global soil moisture and detect whether soils are frozen or thawed has begun science operations.
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Astronomers Take a New Kind of Pulse From the Sky
Every night, our sky beats with the pulses of radio light waves, most of which go unseen.
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OPALS Boosts Space-to-Ground Optical Communications Research
Ever wonder why stars seem to twinkle?
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Nasa Research Reveals Europa's Mystery Dark Material Could Be Sea Salt
NASA laboratory experiments suggest the dark material coating some geological features of Jupiter's moon Europa is likely sea salt from a subsurface ocean, discolored...
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Nasa's Nexss Coalition to Lead Search For Life on Distant Worlds
NASA is bringing together experts spanning a variety of scientific fields for an unprecedented initiative dedicated to the search for life on planets outside our...
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Glitter Cloud May Serve as Space Mirror
What does glitter have to do with finding stars and planets outside our solar system?
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Nasa Mars Rover's Weather Data Bolster Case For Brine
Martian weather and soil conditions that NASA's Curiosity rover has measured, together with a type of salt found in Martian soil, could put liquid brine in the...
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Researchers Test Smartphones For Earthquake Warning
Smartphones and other personal electronic devices could, in regions where they are in widespread use, function as early warning systems for large earthquakes, according...
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The Solar System and Beyond Is Awash in Water
As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places.
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Dawn in Excellent Shape One Month After Ceres Arrival
Since its capture by the gravity of dwarf planet Ceres on March 6, NASA's Dawn spacecraft has performed flawlessly, continuing to thrust with its ion engine as...
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