IRON AND ICE

News About Asteroids And Comets

2,240 articles

Earth set for close encounter with asteroid Saturday
Mar 24, 2021 (UPI)
The 140-foot to 310-foot asteroid, designated 2023 DZ2, will hurtle safely past at a distance of at least 100,000 miles, the agency's Asteroid Watch said in a T...
No threat to Earth as huge asteroid zooms past
Mar 22, 2021 (AFP)
The asteroid was two million kilometres (1.25 million miles) away at its nearest, according to NASA -- more than five times the distance between the Earth and t...
Large asteroid to (safely) zip past Earth
Mar 21, 2021 (AFP)
While in astronomical terms this marks a close encounter with the asteroid -- called 2001 FO32 -- NASA says there is no threat of a collision with our planet "n...
The world's oldest crater from a meteorite isn't an impact crater after all
Mar 17, 2021 (SPX)
During fieldwork at the Archean Maniitsoq structure in Greenland, an international team of scientists led by the University of Waterloo's Chris Yakymchuk found ...
Scientists unearth meteorite from the birth of the solar system
Mar 16, 2021 (AFP)
The space rock, which began its journey some 4.5 billion years ago, has already proved an "exceptional" witness to the building blocks of the planets. Known as ...
Asteroid 2001 FO32 will safely pass by Earth March 21
Mar 12, 2021 (JPL)
Called 2001 FO32, the near-Earth asteroid will make its closest approach at a distance of about 1.25 million miles (2 million kilometers) - or 5 1/4 times the d...
Rare meteorite recovered in UK after spectacular fireball
Mar 11, 2021 (SPX)
Almost 300g of a very rare meteorite, known as a carbonaceous chondrite, survived its fiery passage through the Earth's atmosphere and landed on a driveway in t...
Juno data shatter ideas about origin of Zodiacal Light
Mar 10, 2021 (SPX)
But now, a team of Juno scientists argues that Mars may be the culprit. They first published their finding online on Nov. 11, 2020, in the Journal of Geophysica...
Asteroid has slim chance of collision course with Earth in 2046
Mar 10, 2021 (UPI)
Scientists expect the giant rock to hurtle into Earth's path on Feb. 14, 2046, in what will most likely be a close encounter rather than a direct impact. The as...
Comet Catalina Suggests Comets Delivered Carbon to Rocky Planets
Mar 05, 2021 (SPX)
Among the many observatories that captured a view of this comet, which appeared near the Big Dipper, was the Stratospheric Observatory for Infrared Astronomy, N...
Studying Near-Earth Asteroids with Radar
Mar 04, 2021 (AAS)
There's plenty we can learn about the universe from passive radio astronomy, in which we observe the radio signals emitted by distant sources. But when it comes...
Researchers find asteroid redirection a viable possibility for planetary defense
Mar 01, 2021 (UPI)
Conducted last September, NASA's Double Asteroid Redirection Test proved to be more successful than anticipated, according to the research published in the jour...
Comet makes a pit stop near Jupiter's asteroids
Feb 26, 2021 (SPX)
Astronomers found that at least one roaming comet is doing the same thing. The wayward object made a temporary stop near giant Jupiter. The icy visitor has plen...
Meteorites remember conditions of stellar explosions
Feb 26, 2021 (SPX)
Led by scientists who collaborate as part of the International Research Network for Nuclear Astrophysics (IReNA) (irenaweb.org) and the Joint Institute for Nucl...
Asteroid dust found in crater closes case of dinosaur extinction
Feb 25, 2021 (SPX)
Death by asteroid rather than by a series of volcanic eruptions or some other global calamity has been the leading hypothesis since the 1980s, when scientists f...
How were the trojan asteroids discovered and named
Feb 23, 2021 (SPX)
Something of a prodigy, he discovered his first comet at only 21 years old. Then in 1890, he boldly declared that he planned to use wide-field photography in hi...
The comet that killed the dinosaurs
Feb 16, 2021 (SPX)
The Chicxulub impactor, as it's known, left behind a crater off the coast of Mexico that spans 93 miles and goes 12 miles deep. Its devastating impact brought t...
Ceramic chips inside meteorites hint at wild days of the early solar system
Feb 15, 2021 (SPX)
A new study from University of Chicago scientists builds evidence that the baby solar system likely witnessed wild temperature swings and changing conditions-co...
What Hollywood gets wrong, and right, about asteroids
Feb 12, 2021 (SPX)
In the 1998 movie "Armageddon," an asteroid the width of Texas is about to hit Earth. The heroes who stop it in the nick of time are a group of orange-suited Am...
NASA's first mission to the Trojan Asteroids installs its final scientific instrument
Feb 10, 2021 (SPX)
Just five months ago, at the beginning of the Assembly, Testing and Launch operations (ATLO) process, the components of the Lucy spacecraft were being built all...
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