IRON AND ICE

News About Asteroids And Comets

2,240 articles

Scientists find DNA's code for life in meteorites
Apr 26, 2021 (UPI)
Scientists at NASA and in Japan confirmed Tuesday they found all five key building blocks of DNA and RNA in space rocks that fell to Earth within the last 100 y...
Asteroid that Hit Botswana in 2018 likely came from Vesta
Apr 24, 2021 (SPX)
"Combining the observations of the small asteroid in space with information gleaned from the meteorites shows it likely came from Vesta, second largest asteroid...
Scientists find CO2-rich liquid water in ancient meteorite
Apr 22, 2021 (SPX)
Studies have shown that water played an important role in the early evolution and formation of the solar system. To learn more about this role, planetary scient...
NASA to participate in tabletop exercise simulating asteroid impact
Apr 22, 2021 (JPL)
The exercise depicting this fictional event is being led by NASA's Jet Propulsion Laboratory's Center for Near Earth Object Studies (CNEOS), allowing NASA's PDC...
Hide and Seek - How NASA's Lucy Mission Team Discovered Eurybates' Satellite
Apr 21, 2021 (SPX)
Though searching for satellites is one of the mission's central goals, finding these tiny worlds before Lucy is launched gives the team the opportunity to inves...
Osiris-Rex leaves its mark on Asteroid Bennu
Apr 16, 2021 (SPX)
The spacecraft flew within 2.3 miles (3.7 km) of the asteroid - the closest it has been since the Touch-and-Go, or TAG, sample collection event on Oct. 20, 2020...
Drone test of Hera mission's asteroid radar
Apr 15, 2021 (ESA)
The shoebox-sized Juventas will be transported to the Didymos double-asteroid system by ESA's Hera mission. Once it flies freely in space, Juventas will deploy ...
Different neutron energies enhance asteroid deflection
Apr 09, 2021 (SPX)
Scientists compared the resulting asteroid deflection from two different neutron energy sources, representative of fission and fusion neutrons, allowing for sid...
Asteroid crater on Earth provides clues about Martian craters
Apr 09, 2021 (SPX)
Unexpectedly, a research team led by the University of Gottingen has now discovered a volcanic ash layer in the asteroid crater. In addition, the team was able ...
More than 5,000 tons of extraterrestrial dust fall to Earth each year
Apr 09, 2021 (SPX)
Micrometeorites have always fallen on our planet. These interplanetary dust particles from comets or asteroids are particles of a few tenths to hundredths of a ...
NASA's OSIRIS-REx completes final tour of Asteroid Bennu
Apr 08, 2021 (SPX)
The OSIRIS-REx team added this flyby to document surface changes resulting from the Touch and Go (TAG) sample collection maneuver Oct. 20, 2020. "By surveying t...
Asteroids are born big - and here is why!
Apr 08, 2021 (SPX)
In a way, the asteroid belt between Mars and Jupiter and the Edgeworth-Kuyper belt beyond the orbit of Neptune are like cosmic museums: Both contain small bodie...
Burnt-out comet covered with talcum powder
Apr 07, 2021 (SPX)
Comet nuclei are difficult to observe because when they enter the inner Solar System, where they are easy to observe from Earth, they heat up and release gas an...
Skoltech team used mass spectrometry to study composition of meteorites
Apr 06, 2021 (SPX)
Carbonaceous chondrites contain nearly the entire spectrum of organic molecules encountered on Earth, including nucleic acids which might have played a pivotal ...
OSIRIS-REx's set for final observation run before heading to Earth
Apr 02, 2021 (SPX)
The OSIRIS-REx team decided to add this last flyover after Bennu's surface was significantly disturbed by the sample collection event. During touchdown, the spa...
New study discovers ancient meteoritic impact over Antarctica 430,000 years ago
Apr 01, 2021 (SPX)
Extra-terrestrial particles (condensation spherules) recovered on the summit of Walnumfjellet (WN) within the Sor Rondane Mountains, Queen Maud Land, East Antar...
First interstellar comet may be the most pristine ever found
Mar 31, 2021 (SPX)
2I/Borisov was discovered by amateur astronomer Gennady Borisov in August 2019 and was confirmed to have come from beyond the Solar System a few weeks later. "2...
Comet 'most pristine' object from outer space seen in Solar System
Mar 30, 2021 (AFP)
Pristine, in astronomical terms, describes a comet that has never passed close enough to a star to be transformed by its searing heat. 2I/Borisov was discovered...
NASA begins final assembly of spacecraft destined for Asteroid Psyche
Mar 30, 2021 (JPL)
The Solar Electric Propulsion (SEP) Chassis, crafted by Maxar Technologies' team in Palo Alto, California, is the size of a van and represents more than 80% (by...
Apophis impact ruled out for the first time
Mar 29, 2021 (ESA)
Estimated at about 350 m across - equivalent to the length of three football fields - Apophis has been in and out of the Apophis impact ruled out for the first ...
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