IRON AND ICE

News About Asteroids And Comets

2,240 articles

Two Small Asteroids Safely Pass Earth This Week
Feb 08, 2018 (JPL)
The first of this week's close-approaching asteroids - discovered by CSS on Feb. 4 - is designated asteroid 2018 CC. Its close approach to Earth came Tuesday (F...
New research suggests toward end of Ice Age, human beings witnessed fires larger than dinosaur killers
Feb 02, 2018 (SPX)
Out of nowhere, the sky was lit with fireballs. This was followed by shock waves. Fires rushed across the landscape, and dust clogged the sky, cutting off the s...
Asteroid 2002 AJ129 to Fly Safely Past Earth February 4
Jan 23, 2018 (JPL)
2002 AJ129 is an intermediate-sized near-Earth asteroid, somewhere between 0.3 miles (0.5 kilometers) and 0.75 miles (1.2 kilometers) across. It was discovered ...
Asteroid to pass by Earth in Feb.
Jan 22, 2018 (UPI)
According to NASA's Jet Propulsion Laboratory, asteroid 2002 AJ129 will make its closest approach to Earth on Feb. 4 at 4:30 p.m. ET. The intermediate-sized spa...
Study identifies processes of rock formed by meteors or nuclear blasts
Jan 17, 2018 (SPX)
The mechanism whereby silica (SiO2) is transformed into coesite, which was poorly understood by the scientific community, has now been elucidated by atomistic c...
NASA, USGS confirm Michigan meteorite strike
Jan 17, 2018 (UPI)
The meteorite created a fiery streak seen as far away as New York City, as well as a loud boom heard by many in the Detroit area. Eyewitness accounts suggest th...
NASA's newly renamed Swift mission spies a comet slowdown
Jan 12, 2018 (SPX)
The abrupt slowdown is the most dramatic change in a comet's rotation ever seen. "The previous record for a comet spindown went to 103P/Hartley 2, which slowed ...
NASA image showcases Ceres mountain named for Kwanzaa
Dec 28, 2017 (UPI)
The name Kwanzaa is derived from the Swahili phrase meaning "first fruits of the harvest." Kwanzaa Tholus -- the mountain -- is oblong, measuring 22 by 12 miles...
Arecibo radar returns with asteroid Phaethon images
Dec 27, 2017 (SPX)
The radar images, which are subtle at the available resolution, reveal the asteroid is spheroidal (roughly ball-shaped) and has a large concavity, or depression...
Development on muon beam analysis of organic matter in samples from space
Dec 27, 2017 (SPX)
Recently, Osaka University has established a world-leading intense direct current muon beam source (MuSIC; MUon Science Innovative Channel), and succeeded in ob...
Interstellar asteroid 'Oumuamua may actually be made of ice
Dec 19, 2017 (UPI)
When scientists first spotted the oddly-shaped orb, they realized its trajectory placed its origin outside the solar system. Though the first of its kind, resea...
Skye high impact reveals 60-million-year-old meteorite strike in Scotland
Dec 19, 2017 (SPX)
Lead author Simon Drake, an associate lecturer in geology at Birkbeck University of London, zeroed in on a meter-thick layer at the base of a 60.0 million-year-...
Alien object Oumuama is a natural body transiting our solar system
Dec 19, 2017 (SPX)
Since the object was spotted in October, Professor Alan Fitzsimmons and Dr Michele Bannister from the School of Mathematics and Physics at Queen's University ha...
Visitor from alien star system wears insulating coat: astronomers
Dec 18, 2017 (AFP)
Dubbed Oumuamua, Hawaiian for "messenger" or "scout", the object was first viewed by telescopes in October. Given its weird trajectory, surprised scientists imm...
Initial results and data from observations of 'Oumuamua
Dec 17, 2017 (SPX)
The initial block of observations (the first of a planned four blocks) ran from 3:45 pm to 9:45 pm ET on Wednesday, December 13, using the Breakthrough Listen b...
Research shows why meteroids explode before they reach Earth
Dec 14, 2017 (SPX)
When a meteor comes hurtling toward Earth, the high-pressure air in front of it seeps into its pores and cracks, pushing the body of the meteor apart and causin...
OSIRIS-REx cruising towards rendezvous with Asteroid Bennu
Dec 13, 2017 (SPX)
During routine in-flight testing of the spacecraft's thermal properties earlier this year, the mission's navigation team noticed an unexpected minor acceleratio...
Bright Areas on Ceres Suggest Geologic Activity
Dec 13, 2017 (JPL)
"The mysterious bright spots on Ceres, which have captivated both the Dawn science team and the public, reveal evidence of Ceres' past subsurface ocean, and ind...
Ceres' bright spots suggest the dwarf planet is geologically active
Dec 13, 2017 (UPI)
Scientists have struggled to account for the highly reflective spots on Ceres' surface, but thanks to images captured by NASA's Dawn spacecraft, revealing the b...
New simulations suggest meteors explode from the inside
Dec 12, 2017 (SPX)
New simulations of falling meteors suggest air particles penetrate the space rocks' porous interiors as they careen through the atmosphere. These air particles ...
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