Impact event - Wikipedia
Impact events have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effect.
Meteorite impact - Understanding Global Change
Explore the impact of meteorite collisions on Earth, including their effects on geology, climate, and biodiversity.
Meteorite crater - Impact Process, Ejecta, Shockwaves | Britannica
Oct 27, 2025 · Meteorite crater - Impact Process, Ejecta, Shockwaves: When an asteroidal or cometary object strikes a planetary surface, it is traveling typically at several tens of kilometres …
Sentry: Earth Impact Monitoring - NASA
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
'Potentially hazardous' asteroid 2024 YR4 was Earth's first real-life ...
Nov 28, 2025 · The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.
Asteroid 2024 YR4 Possible Impact Raised Eyebrows: Skywatchers …
Mar 14, 2025 · Although eyes were initially closely watching 2024 YR4 and its potential to impact Earth, NASA has since eased our minds, by stating the latest calculations now show it’s no …
Impact Earth - Purdue University
Test the Impact of These Famous Craters!
NASA Confirms Empire State Building-Sized Asteroid Is On …
On March 21, 2021, an object the size of the Empire State Building—traveling at 77,000 miles per hour—passed within 1.25 million miles of Earth. Asteroid 2001 FO32 was classified as ...
List of impact structures on Earth - Wikipedia
This list of impact structures (including impact craters) on Earth contains the majority of the 194+ confirmed impact structures given in the Earth Impact Database as of 2024. [1] Alphabetical …
Meteorite Impacts - University of Rochester
Although in many instances these impact structures have been partially obliterated by erosion and tectonics, there is rather strong evidence that most are fossil impact craters. The average …