IRON AND ICE

News About Asteroids And Comets

2,240 articles

Ever wonder why some meteor showers are so unpredictable
Apr 22, 2025 (SPX)
"Contrary to popular conception, everything in the solar system does not orbit the Sun," explained Stuart Pilorz, lead author and SETI Institute scientist. "Rat...
A little bit of space on Earth
Apr 22, 2025 (SPX)
Trivalent phosphorus, linked to anaerobic conditions on Earth, has also been found in the atmospheres of giant planets and in the distant interstellar medium. P...
NASA's Lucy Spacecraft Prepares Second Asteroid Encounter
Apr 15, 2025 (SPX)
This upcoming event represents a comprehensive "dress rehearsal" for Lucy's main mission over the next decade: the exploration of multiple Trojan asteroids that...
Astronomers identify rare Earth-crossing asteroid from unexpected source
Apr 14, 2025 (SPX)
"YR4 spins once every 20 minutes, rotates in a retrograde direction, has a flattened, irregular shape, and is the density of solid rock," said Bryce Bolin, lead...
How NASA Science Data Defends Earth from Asteroids
Apr 14, 2025 (SPX)
New data collected in the following days lowered the probability to well under 1%, and 2024 YR4 is no longer considered a potential Earth impactor. However, the...
Mammals made landfall long before asteroid wiped out dinosaurs
Apr 10, 2025 (SPX)
Published in the journal Palaeontology, the research sheds light on how marsupial and placental mammals in Western North America were already adapting to terres...
SwRI-led Lucy probe to pass main belt asteroid Donaldjohanson
Apr 10, 2025 (SPX)
These ancient Trojan asteroids have remained gravitationally anchored in Jupiter's Lagrange points for billions of years and may hold essential clues to how the...
Asteroid risk reevaluated with fresh data from Earth and space
Apr 10, 2025 (SPX)
Discovered in December 2024, 2024 YR4 prompted the International Asteroid Warning Network (IAWN) to issue its first alert on January 29, 2025. Early estimates s...
NASA Webb Telescope Sizes Up Small Asteroid with Big Implications
Apr 10, 2025 (SPX)
The Webb Director's Discretionary Time program enabled principal investigator Andy Rivkin of the Johns Hopkins University Applied Physics Laboratory to gather a...
Life rebounded quickly after dinosaur-killing impact
Apr 10, 2025 (SPX)
According to a study published in Nature Communications, the impact site nurtured a biologically rich environment for at least 700,000 years, fueled by an endur...
NASA Webb Measures Size and Surface of Near-Earth Asteroid 2024 YR4
Apr 03, 2025 (SPX)
The study, led by Andy Rivkin of the Johns Hopkins University Applied Physics Laboratory, utilized Webb's Director's Discretionary Time to analyze this unusuall...
Mammals were shifting to ground life long before dinosaur extinction
Apr 03, 2025 (SPX)
Published in the journal Palaeontology, the research highlights that numerous mammalian species were already adapting to life on the ground before the catastrop...
Rising odds asteroid that briefly threatened Earth will hit Moon
Apr 03, 2025 (AFP)
The asteroid, thought to be capable of levelling a city, set a new record in February for having the highest chance -- 3.1 percent -- of hitting our home planet...
NASA says asteroid 2024 YR4 size of a 10-story building; increases chances of moon impact
Apr 03, 2025 (UPI)
Designated as near-Earth asteroid 2024 YR4, both NASA observers and members of the worldwide planetary defense community felt at first that the object, said to ...
Key Component for NASAs NEO Surveyor Returns to JPL
Apr 02, 2025 (SPX)
The 12-foot (3.7-meter) long angular structure, developed at JPL, serves a dual purpose: shielding the spacecraft's infrared telescope and dissipating heat duri...
In the asteroid belt a mudball meteorite defied the odds
Apr 01, 2025 (SPX)
"27 kilos of rocks were recovered, making this the largest fall of its kind since similar meteorites fell near Murchison in Australia in 1969," said meteor astr...
Meteorite origins mapped to regions of asteroid belt
Mar 19, 2025 (SPX)
"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said meteor astronomer and lead author Peter Jenniskens o...
UAE Space Agency advances asteroid exploration mission with design milestone
Mar 18, 2025 (SPX)
His Excellency Salem Butti Salem Al Qubaisi, Director General of the UAE Space Agency, stated: "We are truly proud of this achievement. Completing this phase of...
New Modeling Assesses Age of Next Target Asteroid for NASA's Lucy
Mar 18, 2025 (SPX)
When the Lucy spacecraft flies by this approximately three-mile-wide space rock on April 20, 2025, the data collected could provide independent insights on such...
Hera asteroid mission captures images of Mars moon Deimos
Mar 14, 2025 (SPX)
Hera, launched on October 7, 2024, is en route to study the first asteroid to have its trajectory altered by human intervention. By gathering close-range data o...
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