IRON AND ICE

News About Asteroids And Comets

2,240 articles

Ceres takes life an ice volcano at a time
Sep 18, 2018 (SPX)
The study, led by UA planetary scientist Michael Sori, marks the first time a rate of cryovolcanic activity has been calculated from observations, and its findi...
Cryovolcanism helped shape dwarf planet Ceres
Sep 18, 2018 (SPX)
Michael M. Sori of the University of Arizona Lunar and Planetary Laboratory is lead author, and Planetary Science Institute Senior Scientist Hanna G. Sizemore i...
VLBA radio telescope measures asteroid's characteristics
Sep 17, 2018 (SPX)
When the asteroid passed in front of the galaxy, radio waves coming from the galaxy were slightly bent around the asteroid's edge, in a process called diffracti...
Landslides, avalanches may be key to long-term comet activity
Sep 13, 2018 (SPX)
These escaping gases loft dust off of the comet, forming a dust cloud visible from the Earth. This gas release can even change the spin state of the comet. Howe...
Legacy of NASA's Dawn, Near the End of Its Mission
Sep 10, 2018 (JPL)
Dawn's mission was extended several times, outperforming scientists' expectations in its exploration of two planet-like bodies, Ceres and Vesta, that make up 45...
Mosaic showcases Ceres' brightest bright spot
Sep 07, 2018 (UPI)
The dwarf planet's bright spots were first discovered and photographed in 2015. In the time since, high resolution images have offered scientists clearer and cl...
Asteroid-Deflection Mission Passes Key Development Milestone
Sep 06, 2018 (SPX)
The Double Asteroid Redirection Test (DART), being designed, built and managed by the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, will test wh...
Potentially hazardous asteroids to swing past Earth this week
Aug 28, 2018 (Sputnik)
The first, 2016 NFB23, will fly past Earth Tuesday at roughly 11:38 p.m. EDT at a lunar distance of about 13.2, which translates to more than 3.1 million miles ...
The Halloween asteroid prepares to return in 2018
Aug 28, 2018 (SPX)
An asteroid zipped past on 31 October 2015, relatively close to us, just 486,000 km away, 1.3 times the distance separating us from the Moon. The object is call...
Particles collected by Hayabusa give absolute age of asteroid Itokawa
Aug 28, 2018 (SPX)
Japanese scientists, including those from Osaka University, closely examined particles collected from the asteroid Itokawa by the spacecraft Hayabusa, finding t...
Russia Restores Defunct Soviet Network to Monitor Near-Earth Objects
Aug 27, 2018 (Sputnik)
The document, obtained by Sputnik from Keldysh Institute of Applied Mathematics, said observatories had been brought out of mothballs in former Soviet member st...
Particles collected by spacecraft help date ancient asteroid Itokawa
Aug 27, 2018 (UPI)
After analyzing particles collected by the Japanese Space Agency's Hayabusa probe, researchers established an absolute origin date for near-Earth asteroid Itoka...
Aerojet Rocketdyne Propulsion Powers OSIRIS-REx's Approach of Asteroid Bennu
Aug 27, 2018 (SPX)
Numbering 28 in total, all of the rocket engines on the Lockheed Martin-built OSIRIS-REx spacecraft are provided by Aerojet Rocketdyne. The propulsion devices o...
NASA's OSIRIS-REx Begins Asteroid Operations Campaign
Aug 27, 2018 (SPX)
Kicking off the mission's asteroid operations campaign on Aug. 17, the spacecraft's PolyCam camera obtained the image from a distance of 1.4 million miles (2.2 ...
NASA probe begins approach toward asteroid Bennu
Aug 24, 2018 (UPI)
Last week, the spacecraft's PolyCam camera photographed the target asteroid Bennu from a distance of 1.4 million miles, inaugurating the asteroid operations cam...
Michigan meteor could help researchers understand near-Earth object threats
Aug 23, 2018 (SPX)
In a report in Seismological Research Letters, a team of scientists led by Michael Hedlin of Scripps Institution of Oceanography use these data to pinpoint the ...
Why Asteroid Bennu? 10 Reasons
Aug 22, 2018 (SPX)
The spacecraft will briefly touch Bennu's surface around July 2020 to collect at least 60 grams (equal to about 30 sugar packets) of dirt and rocks. It might co...
Earth mini-moons: Potential for exciting scientific and commercial opportunities
Aug 14, 2018 (SPX)
"Mini-moons can provide interesting science and technology testbeds in near-Earth space. These asteroids are delivered towards Earth from the main asteroid belt...
The Umov Effect: Space dust clouds and the mysteries of the universe
Aug 10, 2018 (SPX)
A team of scientists from the Far Eastern Federal University (FEFU) under the supervision of the astrophysicist Evgenij Zubko, Ph.D., a lead scientist of the Sc...
Researchers at the University of New Mexico uncover remnants of early solar system
Aug 07, 2018 (SPX)
Since then scientists have been able to establish the formation of the solar system piece by piece. Now, new research has enabled scientists from The University...
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