IRON AND ICE

News About Asteroids And Comets

2,240 articles

Dawn: Vesta Got Special Delivery of Hydrated Minerals
Sep 27, 2012 (JPL)
The mechanism that incorporates water into the terrestrial planets is a matter of extensive debate for planetary scientists. Now, observations of the giant aste...
Dawn Sees Hydrated Minerals on Giant Asteroid
Sep 21, 2012 (JPL)
NASA's Dawn spacecraft has revealed that the giant asteroid Vesta has its own version of ring around the collar. Two new papers based on observations from the l...
Vesta in Dawn's Rear View Mirror
Sep 12, 2012 (JPL)
NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its...
Dawn has Departed the Giant Asteroid Vesta
Sep 06, 2012 (JPL)
Mission controllers received confirmation that NASA's Dawn spacecraft has escaped from the gentle gravitational grip of the giant asteroid Vesta. Dawn is now of...
Dawn Of A New Mission To Proto Planet Ceres
Sep 06, 2012 (JPL)
An interplanetary spaceship left Earth in 2007. Propelling itself gently and patiently through the solar system with a blue-green beam of xenon ions, it gradual...
US space probe leaves asteroid's orbit, NASA says
Sep 06, 2012 (AFP)
The US space probe Dawn has left the orbit of Vesta, one of the biggest asteroids in the solar system, and is headed for a rendezvous with the dwarf planet Cere...
NASA Announces Asteroid Naming Contest for Students
Sep 05, 2012 (SPX)
Students worldwide have an opportunity to name an asteroid from which an upcoming NASA mission will return the first samples to Earth. Scheduled to launch in 20...
NASA's Dawn Prepares for Trek Toward Dwarf Planet
Aug 31, 2012 (JPL)
NASA's Dawn spacecraft is on track to become the first probe to orbit and study two distant solar system destinations, to help scientists answer questions about...
Dawn Engineers Assess Reaction Wheel
Aug 15, 2012 (JPL)
Engineers working on NASA's Dawn spacecraft are assessing the status of a reaction wheel - part of a system that helps the spacecraft point precisely - after on...
Dawn Completes Intensive Phase Of Vesta Exploration
Jul 31, 2012 (JPL)
Dawn has completed the final intensive phase of its extraordinary exploration of Vesta, and it has now begun its gradual departure. Propelled by its uniquely ef...
Planetary Resources Announces Agreement with Virgin Galactic for Payload Services
Jul 12, 2012 (SPX)
Planetary Resources has announced an agreement with Virgin Galactic, LLC that will enable multiple launch opportunities for its series of spacecraft, including ...
Explained: Near-miss asteroids
Jul 04, 2012 (SPX)
On May 29, an asteroid the size of a bus came whizzing past Earth at 10 times the speed of a fired bullet. The near-miss asteroid, named 2012 KT42 - or "KT42" f...
The B612 Foundation Announces The First Privately Funded Deep Space Mission
Jul 03, 2012 (SPX)
In a press conference at the California Academy of Sciences Thursday morning, the B612 Foundation unveiled its plans to build, launch, and operate the first pri...
A Fleeting Flyby Of A Battered World Called Asteroid 21 Lutetia
Jun 28, 2012 (ESA)
The long and tumultuous history of asteroid Lutetia was revealed by ESA's Rosetta spacecraft as it raced past this large, ancient asteroid. This spectacular mov...
Ex-NASA astronauts aim to launch asteroid tracker
Jun 28, 2012 (AFP)
A private company made up of former NASA astronauts and US scientists said Thursday it is planning to build and launch its own space telescope to track dangerou...
Arecibo Observatory Finds Asteroid 2012 LZ1 To Be Twice As Big As First Believed
Jun 25, 2012 (SPX)
Using the planetary radar system at Arecibo Observatory, astronomers have determined that asteroid 2012 LZ1 is twice as large as originally estimated based on i...
Dawn Easing into its Final Science Orbit
Jun 18, 2012 (JPL)
After successfully completing nearly five months scrutinizing the giant asteroid Vesta at its lowest orbit altitude, NASA's Dawn spacecraft will begin its final...
NASA Releases Workshop Data and Findings on Asteroid 2011 AG5
Jun 18, 2012 (SPX)
Researchers anticipate that asteroid 2011 AG5, discovered in January 2011, will fly safely past and not impact Earth in 2040. Current findings and analysis data...
'Unusually large' asteroid to race by Earth
Jun 14, 2012 (AFP)
A newly discovered asteroid the size of a city block will zoom past Earth but poses no risk of a collision, astronomers said on Thursday. The "unusually large" ...
Dawn Mission Video Shows Vesta's Coat of Many Colors
Jun 07, 2012 (JPL)
A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color image...
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