资讯

The Chicxulub asteroid crater supported marine life for 700,000 years, showing that some mass extinction events may help life ...
THE odds of a “city killer” asteroid that once threatened Earth instead smashing into the moon have just doubled. YR4 was ...
Shortly after it was discovered, astronomers calculated that the asteroid had a 1-in-83 chance of hitting Earth in 2032 — ...
The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula. But after analyzing deeply drilled rock core from the impact site ...
Learn about the latest update on asteroid 2024 YR4, which now has a 3.8 percent chance to impact the Moon.
An international team is currently closely tracking the near-Earth asteroid 2024 YR4. The impact probability estimates for the year 2032 has been reduced from a peak of 3 percent to below 0.001 ...
As technology advances, so does our ability to track celestial bodies that could pose a threat to our planet. In this vein, the asteroid 2024 YR4, dubbed the 'City Killer,' has garnered notice due to ...
This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data ...
Asteroid 2024 YR4 sparked a flurry of interest earlier this year after NASA determined there was a chance it could hit Earth. The risk of an Earth impact has since dropped to zero, but there's ...
A new study challenges the idea that dinosaurs were declining before the asteroid impact. Researchers at UCL Earth Sciences examined thousands of fossils. They found fewer accessible rocks from ...
The space agency now believe there's virtually zero chance of an Earth collision occurring and says in the slim chance the asteroid did hit the moon it would not impact its orbit. Asteroids are ...