IRON AND ICE

News About Asteroids And Comets

2,240 articles

Astronomers hail first images of asteroid impact
Sep 28, 2022 (AFP)
Astronomers have hailed this early footage of the first time humanity deliberately smashed a spacecraft into an asteroid, saying it looks like it did a "lot of ...
Asteroid that formed Vredefort crater bigger than previously believed
Sep 27, 2022 (SPX)
Scientists have widely accepted, based on previous research, that the impact structure, known as the Vredefort crater, was formed by an object about 15 kilomete...
'A new era': NASA strikes asteroid in key test of planetary defense
Sep 27, 2022 (AFP)
The Double Asteroid Redirection Test (DART) impactor hit its target, the space rock Dimorphos, at 7:14 pm Eastern Time (2314 GMT), 10 months after blasting off ...
Mission seeks to test technology to mitigate potential asteroid or comet impacts of Earth
Sep 27, 2022 (SPX)
The mission is a test to see if hitting a body headed for Earth with a small spacecraft could redirect the threat away from us. Five Planetary Science Institute...
DART hits asteroid in first-ever planetary defense test
Sep 27, 2022 (SPX)
Mission control at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, announced the successful impact at 7:14 p.m. EDT. As a part of NASA's...
Direct impact or nuclear weapons? How to save Earth from an asteroid
Sep 26, 2022 (AFP)
The operation is like playing billiards in space, using Newton's laws of motion to guide us. If an asteroid threat to Earth were real, a mission might need to b...
NASA gears up to deflect asteroid, in key test of planetary defense
Sep 26, 2022 (AFP)
NASA on Monday will attempt a feat humanity has never before accomplished: deliberately smacking a spacecraft into an asteroid to slightly deflect its orbit, in...
NASA crashes spacecraft into asteroid in key test of planetary defense
Sep 26, 2022 (AFP)
The Double Asteroid Redirection Test (DART) spaceship launched from California last November and struck at roughly 14,000 miles (22,500 kilometers) per hour. "I...
Beams of muons used to analyze the elemental composition of Asteroid Ryugu samples
Sep 25, 2022 (SPX)
In 2014, the unmanned asteroid explorer Hayabusa 2 was launched into space by the Japan Aerospace Exploration Agency (JAXA) with a mission to bring back samples...
Advanced Photon Source helps illuminate the journey of a 4 billion-year-old asteroid
Sep 25, 2022 (SPX)
At its closest orbit, asteroid 162173 Ryugu is only about 60,000 miles from Earth. That's only a quarter of the distance to the moon. But according to newly rel...
Analysis of particles of the asteroid Ryugu delivers surprising results
Sep 25, 2022 (SPX)
Japan had chosen Ryugu (English: Dragon's Palace) as the probe's destination because it is an asteroid which, due to its high carbon content, promised to delive...
Asteroid's origins determined using sample return analysis
Sep 25, 2022 (SPX)
Laboratory analysis of 17 individual grains from the samples collected by Hayabusa2 found CO2-bearing water in an iron-nickel sulfide crystal, indicating the pa...
After asteroid collision, Europe's Hera will probe 'crime scene'
Sep 23, 2022 (AFP)
NASA's Double Asteroid Redirection Test (DART) aims to collide with the asteroid moonlet Dimorphos on Monday night, hoping to slightly alter its trajectory -- t...
NASA is crashing a spacecraft into an asteroid to test a plan that could one day save Earth from catastrophe
Sep 22, 2022 (SPX)
I am a scholar who studies space and international security, and it is my job to ask what the likelihood really is of an object crashing into the planet - and w...
ESA tracks world-first asteroid deflection
Sep 21, 2022 (ESA)
Since May, ESA's 35-metre Deep Space antenna in Malargue, Argentina, has been helping to provide ultra-precise measurements of DART's position with regular trac...
Lowell Discovery Telescope plays key role in DART planetary defense test mission
Sep 15, 2022 (SPX)
The DART (Double Asteroid Redirection Test) mission is an outgrowth of ongoing interest in planetary defense, which involves detecting and reducing the threat o...
DART sets sights on asteroid target
Sep 08, 2022 (SPX)
This image of the light from asteroid Didymos and its orbiting moonlet Dimorphos is a composite of 243 images taken by the Didymos Reconnaissance and Asteroid C...
After NASA's asteroid impact, ESA's Hera comes next
Sep 02, 2022 (ESA)
The main 780-m diameter Didymos asteroid is orbited by the 160-m diameter Dimorphos 'moonlet'. DART, NASA's Double Asteroid Redirect Test, will impact Dimorphos...
Crime-scene technique identifies asteroid sites
Sep 02, 2022 (SPX)
Based on estimates of crater-producing asteroid strikes in the last 11,650 years (known as the Holocene), only about 30% of impact sites have been located. Unti...
Cornell astronomers show how terrain evolves on icy comets
Sep 02, 2022 (SPX)
By applying thermal models to data gathered by the Rosetta mission - which caught up to the barbell-shaped Comet 67P/Churyumov-Gerasimenko almost a decade ago -...
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