IRON AND ICE

News About Asteroids And Comets

2,240 articles

430-foot asteroid expected to swipe past Earth on Monday
Nov 29, 2021 (UPI)
The 430-foot asteroid, 1994 WR12, will pass by our planet at a distance of 3.8 million miles. The space rock was first identified in 1994 by American astronomer...
New opportunities to study ions in space
Nov 26, 2021 (SPX)
As low-energy ions are difficult to measure Sofia Bergman devised a new method to analyze measurements of these ions around comet 67P/Churyumov-Gerasimenko in h...
NASA launches spacecraft to kick an asteroid off course
Nov 23, 2021 (AFP)
It may sound like science fiction, but the DART (Double Asteroid Redirection Test) is a real proof-of-concept experiment, the goal of which is to slightly alter...
Catching asteroid deflection mission's first words
Nov 23, 2021 (ESA)
At about the length of one-and-a-half football fields side-by-side, Dimorphos is currently almost 500 million kilometres away, orbiting the Sun on a path that b...
Alaska scientist reveals cause of lost magnetism at meteorite site
Nov 23, 2021 (SPX)
The key, according to work by associate research professor Gunther Kletetschka at the UAF Geophysical Institute, is in the greatly reduced level of natural rema...
NASA's DART asteroid collision mission nears launch
Nov 22, 2021 (UPI)
Elon Musk's SpaceX plans to launch the DART mission, or Double Asteroid Redirection Test, on a Falcon 9 rocket from Vandenberg Space Force Base at 10:20 p.m. PS...
Planetary defenders: after NASA's DART comes ESA's Hera
Nov 19, 2021 (ESA)
DART will collide with the small moon of an asteroid in order to shift its orbit around its parent body - to test the concept of diverting threatening objects a...
Meteorite offers insight into building blocks of early life
Nov 17, 2021 (UPI)
A fragment of the Winchcombe meteorite, which is believed to have broken off of an asteroid near Jupiter and reached earth within the last million years, has be...
A large asteroid will pass by Earth this week - should we worry?
Nov 15, 2021 (SPX)
What are near Earth objects, what are they composed of and how do we know? Near Earth objects are meteoroids, asteroids or comets with orbits that bring them cl...
DART on Target - Six Questions with Mission Manager Clayton Kachele
Nov 15, 2021 (SPX)
The Double Asteroid Redirection Test (DART) mission is a planetary defense-driven test of technologies for mitigating such a threat. DART's target asteroid is n...
Lunar-like material found on the Earth quasi-satellite (469219) Kamo oalewa
Nov 12, 2021 (SPX)
"Five quasi-satellites of the Earth are known to exist and these objects are in a co-orbital configuration with Earth in which they stay close to our planet as ...
Lunar-like material found on the Earth quasi-satellite (469219) Kamo oalewa
Nov 12, 2021 (SPX)
"Five quasi-satellites of the Earth are known to exist and these objects are in a co-orbital configuration with Earth in which they stay close to our planet as ...
Near-earth asteroid might be a lost fragment of the moon
Nov 12, 2021 (SPX)
Kamo`oalewa is a quasi-satellite - a subcategory of near-Earth asteroids that orbit the sun but remain relatively close to Earth. Little is known about these ob...
NASA plans crashing spacecraft into asteroid to study Earth-impact defense
Nov 08, 2021 (UPI)
The mission is NASA's first flight demonstration for planetary defense, space agency officials said. The Double Asteroid Redirection Test, or DART, is scheduled...
Laboratory will illuminate formation, composition, activity of comets
Nov 04, 2021 (SPX)
In Review of Scientific Instruments, by AIP Publishing, researchers from the Technische Universitat Braunschweig, the Austrian Academy of Science, the Universit...
NASA to deflect asteroid in test of 'planetary defense'
Nov 04, 2021 (AFP)
While the Earth faces no such immediate danger, NASA plans to crash a spacecraft traveling at a speed of 15,000 miles per hour (24,000 kph) into an asteroid nex...
Vast patches of glassy rock in Chilean desert likely created by ancient exploding comet
Nov 03, 2021 (SPX)
In a study published in the journal Geology, researchers show that samples of the desert glass contain tiny fragments with minerals often found in rocks of extr...
NASA awards $15M for asteroid hunting telescopes on Maui
Oct 26, 2021 (SPX)
IfA's Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) atop Haleakala currently finds nearly as many NEOs and PHAs as the rest of the world's o...
NASA Lucy spacecraft captures moon images and 'Terminator Mosaic'
Oct 26, 2021 (UPI)
The Oct. 16 images were taken approximately 140,000 to 160,000 miles from the moon after Lucy flew by the Earth for its first of three gravity assists, the spac...
SwRI-led team produces a new Earth Bombardment Model
Oct 25, 2021 (SPX)
When large asteroids or comets struck early Earth, the energy released melted and vaporized rocky materials in the Earth's crust. The small droplets of molten r...
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