IRON AND ICE

News About Asteroids And Comets

2,240 articles

Bright Spots Shine in Newest Dawn Ceres Images
Jun 11, 2015 (JPL)
New images of dwarf planet Ceres, taken by NASA's Dawn spacecraft, show the cratered surface of this mysterious world in sharper detail than ever before. These ...
Sunset Jets on Rosetta's Comet
Jun 09, 2015 (SPX)
When night falls on Rosetta's comet 67P/Churyumov-Gerasimenko, the bizarrely shaped body remains active. This can be seen in new images of the Ma'at region loca...
Alice's UV close-up provides a surprising discovery about comet's atmosphere
Jun 04, 2015 (SPX)
A close-up of Comet 67P/Churyumov-Gerasimenko by NASA's ultraviolet instrument surprised scientists by revealing that electrons close to the comet's surface - n...
NASA Instrument on Rosetta Makes Comet Atmosphere Discovery
Jun 04, 2015 (JPL)
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/Churyumo...
Ultraviolet study reveals surprises in comet coma
Jun 04, 2015 (ESA)
Rosetta's continued close study of Comet 67P/Churyumov-Gerasimenko has revealed an unexpected process at work, causing the rapid breakup of water and carbon dio...
Dawn seeking greater riches as second orbit of Ceres begins
Jun 03, 2015 (JPL)
A bold adventurer from Earth is gracefully soaring over an exotic world of rock and ice far, far away. Having already obtained a treasure trove from its first m...
How comets were assembled
May 31, 2015 (SPX)
Rosetta's target "Chury" and other comets observed by space missions show common evidence of layered structures and bi-lobed shapes. With 3D computer simulation...
Dawn Spirals Closer to Ceres, Returns a New View
May 29, 2015 (JPL)
A new view of Ceres, taken by NASA's Dawn spacecraft on May 23, shows finer detail is becoming visible on the dwarf planet. The spacecraft snapped the image at ...
Ceres Bright Spots Seen Closer Than Ever
May 25, 2015 (JPL)
NASA's Dawn mission captured a sequence of images, taken for navigation purposes, of dwarf planet Ceres on May 16, 2015. The image showcases the group of the br...
Ceres bright spots: Clearer pictures, but still no answers
May 22, 2015 (UPI)
Scientists had hoped sharper images of Ceres and its mysterious bright spots would provide some clarity as to their nature and origin, but they remain befuddled...
NASA Seeks Additional Information for Asteroid Redirect Mission Spacecraft
May 21, 2015 (SPX)
NASA has issued a Request for Information (RFI) seeking ideas from American companies for a spacecraft design that could be used for both the agency's Asteroid ...
NASA asks for new ideas to bolster asteroid redirect mission
May 19, 2015 (UPI)
NASA is asking American tech, engineering and aerospace firms for fresh ideas on how best to maneuver an asteroid. The ultimate aim of the space agency's Astero...
Rosetta spots balancing rock on Comet 67P
May 19, 2015 (UPI)
Scientists have spotted a balancing rock among dust and crags of Comet 67P. Researchers spotted the seemingly teetering boulder while analyzing images collected...
Asteroid Distant 'Flyby' Thursday
May 15, 2015 (JPL)
An asteroid, designated 1999 FN53, will safely pass more than 26 times the distance of Earth to the moon on May 14. To put it another way, at its closest point,...
NASA Awards Study Contract To Deep Space Industries
May 15, 2015 (SPX)
NASA has selected Deep Space Industries (DSI) for two contracts devoted to developing critical technologies for utilizing asteroid resources. One will support t...
Comet Wild 2: A window into the birth of the solar system
May 15, 2015 (SPX)
Our solar system, and other planetary systems, started as a disk of microscopic dust, gas, and ice around the young Sun. The amazing diversity of objects in the...
Ceres Animation Showcases Bright Spots
May 12, 2015 (JPL)
The mysterious bright spots on the dwarf planet Ceres are better resolved in a new sequence of images taken by NASA's Dawn spacecraft on May 3 and 4, 2015. The ...
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...
Galactic Gold Rush: Asteroid Mining to Start This Summer
May 12, 2015 (Sputnik)
Asteroid mining may not be the stuff of sci-fi flicks for long, as one company prepares to launch its first exploratory satellite from the International Space S...
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...
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