impact event
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New Research Points to Violent Origin of Enigmatic Earth ‘Quasi-Moon’
For nearly a decade, a near-Earth asteroid named Kamo’oalewa has invoked speculation over how it came to orbit the Sun in total synchrony with Earth as though it shares some special relationship with our planet. A new study of the oddball may have pinpointed where it came from: a young impact crater on the far…
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Unprecedented Meteorite Believed to Have Originated From Earth
Five years ago, a partially crusted, dark red meteorite crashed in the Sahara desert and was sold in Morocco. Meteorites, almost exclusively, are of extraterrestrial origin, but this chunk seemed weirdly familiar, leading scientists to believe that it originated from the same planet where it ended up thousands of years later. During the 2023 Goldschmidt…
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Dinosaur-Killing Asteroid Hit Earth at a Particularly Bad Time
The dino-killing asteroid smashed into an unfortunate spot and at the deadliest possible angle, and as a group of scientists have now concluded, it also struck Earth at a sensitive time of year — at least for animals living in the northern hemisphere.
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Massive Tsunami From Dino-Killing Asteroid Carved ‘Megaripples’ Into the Ocean Floor
The asteroid that killed off all non-avian dinosaurs made quite the splash when it hit the Yucatan Peninsula some 66 million years ago, generating a tsunami of epic proportions. Seafloor scars from this gigantic wave have been spotted in seismic data taken in Louisiana, offering new insights into this catastrophic event.