IRON AND ICE

News About Asteroids And Comets

2,240 articles

It's a Bird... It's a Plane... It's the Tiniest Asteroid
Dec 01, 2016 (SPX)
Astronomers have obtained observations of the smallest asteroid ever characterized in detail. At 2 meters (6 feet) in diameter, the tiny space rock is small eno...
Arizona Astronomers Characterize Smallest Known Asteroid
Dec 01, 2016 (SPX)
A team of astronomers have obtained observations of the smallest asteroid - with a diameter of only two meters (six feet) - ever characterized in detail. The as...
Chicxulub : a unique crater to elucidate planetary surfaces
Nov 25, 2016 (SPX)
The fall of an asteroid in the Yucatan Peninsula (Mexico) 66 million years ago is believed to have caused the extinction of dinosaurs. It also created the Chicx...
Asteroid impacts could create niches for life
Nov 21, 2016 (SPX)
Scientists studying the Chicxulub crater have shown how large asteroid impacts deform rocks in a way that may produce habitats for early life. Around 65 million...
Report confirms scientific benefits of NASA's Asteroid Redirect Mission
Nov 21, 2016 (SPX)
A new report provides expert findings from a special action team on how elements of the Asteroid Redirect Mission (ARM) can address decadal science objectives a...
New Ceres Views as Dawn Moves Higher
Nov 21, 2016 (JPL)
The brightest area on Ceres stands out amid shadowy, cratered terrain in a dramatic new view from NASA's Dawn spacecraft (http://dawn.jpl.nasa.gov, http://www.n...
Icy surprises at Rosetta's comet
Nov 18, 2016 (ESA)
As Rosetta's comet approached its most active period last year, the spacecraft spotted carbon dioxide ice - never before seen on a comet - followed by the emerg...
Undergrad devises strategy for defending Earth from potential comet impact
Nov 17, 2016 (SPX)
Growing up in the California desert, Qicheng Zhang developed an early appreciation for stars and the universal expanse beyond the sky. But his biggest space cur...
NASA Renews Search for Antarctic Meteorites
Nov 16, 2016 (SPX)
Three federal entities, including NASA, are reaffirming their commitment to search for Antarctic meteorites, to help learn more about the primitive building blo...
Scientists voice support for asteroid deflection mission
Nov 15, 2016 (UPI)
Scientists in Europe want to ensure the European Space Agency doesn't abandon its plans to study and test the latest asteroid deflection technologies. In a lett...
Comet 67P is younger than scientists thought
Nov 09, 2016 (SPX)
Based on data from the Rosetta space probe, scientists have so far assumed that the comet 67P/Churyumov-Gerasimenko originated from the initial phase of our sol...
Greenland fossils reveal global ecosystem recovery after mass extinction
Nov 09, 2016 (SPX)
A new study published in Scientific Reports shows how higher latitude ecosystems recovered after the World's most cataclysmic extinction event 252 million years...
New Study Reveals Relationships Between Chemicals Found on Comets
Nov 09, 2016 (SPX)
A new study has revealed similarities and relationships between certain types of chemicals found on 30 different comets, which vary widely in their overall comp...
Key agencies conduct asteroid emergency planning exercise
Nov 08, 2016 (JPL)
What would we do if we discovered a large asteroid on course to impact Earth? While highly unlikely, that was the high-consequence scenario discussed by attende...
Prototype Capture System, Mock Asteroid Help Simulate Mission Sequence
Nov 02, 2016 (SPX)
A prototype of the Asteroid Redirect Mission (ARM) robotic capture module system is tested with a mock asteroid boulder in its clutches at NASA's Goddard Space ...
Study Reveals Relationships Between Chemicals on Comets
Nov 02, 2016 (SPX)
A new study has revealed similarities and relationships between certain types of chemicals found on 30 different comets, which vary widely in their overall comp...
Scientists reveal how Orientale crater formed on the Moon billions of years ago
Nov 02, 2016 (SPX)
Scientists have simulated the conditions that formed a huge bullseye-shaped crater on the Moon, called Orientale. The Orientale impact basin is located on the M...
15000 space rocks and counting
Oct 28, 2016 (ESA)
The international effort to find, confirm and catalogue the multitude of asteroids that pose a threat to our planet has reached a milestone: 15 000 discovered -...
OSIRIS-REx conducts thruster test on route to asteroid Bennu
Oct 27, 2016 (SPX)
NASA's OSIRIS-REx spacecraft continues its so far flawless journey to asteroid Bennu, after successfully completing its first Trajectory Correction Maneuver (TC...
Astronomers Predict Birthplace of Rosetta's Comet
Oct 25, 2016 (SPX)
When the Rosetta spacecraft successfully touched down on comet 67P/Churyumov-Gerasimenko on September 30, 2016, the news was shared globally via Twitter in doze...
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