IRON AND ICE

News About Asteroids And Comets

2,242 articles

Getting Down to Science at Ceres
May 12, 2015 (JPL)
Dawn's assignment when it embarked on its extraordinary extraterrestrial expedition in 2007 can be described quite simply: explore the two most massive uncharte...
Meteors from Halley's Comet
May 09, 2015 (SPX)
As May of 2015 unfolds, Halley's Comet is more than 5 billion kilometers from Earth, receding into the inky blackness of the outer solar system, where its loopi...
New bid to contact Europe's comet probe
May 07, 2015 (AFP)
Europe will launch a new bid Friday to communicate with its comet lander Philae, hurtling towards the Sun some 360 million kilometres (224 million miles) from E...
Tracking Japan's asteroid impact mission
May 03, 2015 (ESA)
ESA is set to support Japan's 'touch-and-go' Hayabusa-2 spacecraft, now en route to a little-known asteroid, helping to boost the scientific return from this au...
Millimetre-sized stones formed our planet
Apr 23, 2015 (SPX)
Fragments of asteroids regularly land on Earth as meteorites. If you examine such a find, you can see that it comprises millimetre-sized round stones, known as ...
Dawn Glimpses Ceres' North Pole
Apr 22, 2015 (JPL)
After spending more than a month in orbit on the dark side of dwarf planet Ceres, NASA's Dawn spacecraft has captured several views of the sunlit north pole of ...
Ceres' Bright Spots Come Back Into View
Apr 22, 2015 (JPL)
The two brightest spots on dwarf planet Ceres, which have fascinated scientists for months, are back in view in the newest images from NASA's Dawn spacecraft. D...
Rosetta and Philae find comet not magnetised
Apr 21, 2015 (ESA)
Measurements made by Rosetta and Philae during the probe's multiple landings on Comet 67P/Churyumov-Gerasimenko show that the comet's nucleus is not magnetised....
SwRI team studies meteorites from asteroids to date moon impacts
Apr 21, 2015 (SPX)
A NASA-funded research team led by Dr. Bill Bottke of Southwest Research Institute (SwRI) independently estimated the Moon's age as slightly less than 4.5 billi...
Dawn's Ceres Color Map Reveals Surface Diversity
Apr 17, 2015 (JPL)
A new color map of dwarf planet Ceres, which NASA's Dawn spacecraft has been orbiting since March, reveals the diversity of the surface of this planetary body. ...
Comet 67P springs magnetic surprise
Apr 14, 2015 (AFP)
In a new twist in a landmark exploration, Europe's comet-chasing Rosetta mission has found that its target, 67P/Churyumov-Gerasimenko, has no magnetic field, sc...
Scientists hold breath for comet lander to wake
Apr 14, 2015 (AFP)
Europe's comet lander Philae has remained obstinately silent since a new bid was launched to communicate with it, mission chiefs said Tuesday, but chances for c...
'Dwarf planet' Ceres spawns giant mystery
Apr 13, 2015 (AFP)
First classified a planet, then an asteroid and then a "dwarf planet" with some traits of a moon -- the more scientists learn about Ceres, the weirder it become...
Dawn in Excellent Shape One Month After Ceres Arrival
Apr 10, 2015 (JPL)
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 ...
ALMA captures Juno traveling through space
Apr 10, 2015 (SPX)
A series of images made with the Atacama Large Millimeter/submillimeter Array (ALMA) provides an unprecedented view of the surface of Juno, one of the largest m...
NASA Releases Tool Enabling Citizen Scientists to Examine Asteroid Vesta
Apr 07, 2015 (JPL)
NASA has announced the release of Vesta Trek, a free, web-based application that provides detailed visualizations of Vesta, one of the largest asteroids in our ...
Dawn orbiting high over the night side of Ceres
Apr 07, 2015 (JPL)
Now orbiting high over the night side of a dwarf planet far from Earth, Dawn arrived at its new permanent residence on March 6. Ceres welcomed the newcomer from...
OSIRIS-REx Mission Passes Critical Milestone
Apr 05, 2015 (SPX)
NASA's groundbreaking science mission to retrieve a sample from an ancient space rock has moved closer to fruition. The Origins Spectral Interpretation Resource...
Scary times for Europe's comet-chaser Rosetta
Apr 02, 2015 (AFP)
Europe's pioneering probe Rosetta battled breakdowns with navigation and communication with Earth after it ran into blasts of dust and gas from the comet it is ...
Next Steps on Journey to Mars: Progress on Asteroid Initiative
Mar 26, 2015 (SPX)
NASA Wednesday announced more details in its plan for its Asteroid Redirect Mission (ARM), which in the mid-2020s will test a number of new capabilities needed ...
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