Scientists think they’ve solved the mystery of how water arrived on Earth
Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the ...
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NASA Raises Impact Risk of Asteroid: Almost doubled
NASA has updated its assessment of asteroid 2024 YR4, increasing the likelihood of impact with Earth to 3.1%. While the ...
A Lake That Disappeared Holds Clues to Life Beyond Earth
Searles Lake has long been shaped by shifting water levels, volcanic minerals, and evaporite formation. In 2024, satellites ...
The odds of a city-killer asteroid impact in 2032 keep rising. Should we be worried?
Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...
Why asteroid 2024 YR4 is unlikely to hit Earth in 2032 and how scientists keep track
Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...
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Asteroid 2024 YR4 could hit Earth in 7 years. Here’s what could happen — and what’s being done about it
Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters) wide, a “size range comparable to that of a large building,” said Dr. Paul Chodas ...
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Is an asteroid going to hit Earth in 2032? What to know about 2024 YR4
Astronomers have been keeping a close eye on an asteroid between 130 and 300 feet long that has a very small chance of crashing into Earth in less than eight years. And as they learn more about ...
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Odds of asteroid hitting Earth went up, but that was expected: What to know about 2024 YR4
Astronomers have been keeping a close eye on an asteroid between 130 and 300 feet long that has a very small chance of crashing into Earth in less than eight years. And as they learn more about ...