The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and animal species.
Impact event
Posted inExtinction events, Fossils & Paleontology, Impact events, Press Release
Death From Space
Tens of tons of extraterrestrial solid material collide with Earth daily. Most of this material is small enough that it burns up in the atmosphere, but some fragments are large […]
Posted inBiogeochemical Cycles & Geobiology, Extinction events, Impact events, Press Release
Study Finds Evidence That Giant Meteorite Impacts Created The Continents
New Curtin research has provided the strongest evidence yet that Earth’s continents were formed by giant meteorite impacts that were particularly prevalent during the first billion years or so of […]
Posted inImpact events
Reduced Atmospheres Of Post-impact Worlds: The Early Earth
Impacts may have had a significant effect on the atmospheric chemistry of the early Earth. Reduced phases in the impactor (e.g., metallic iron) can reduce the planet’s H2O inventory to […]
Posted inImpact events
The Impact Of Extinction
While the popular Netflix movie “Don’t Look Up” has raised public consciousness to the potential catastrophic effects of asteroid impact to planet Earth, new research sheds light on how the […]
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Large Impacts Onto The Early Earth: Planetary Sterilization And Iron Delivery
Late accretion onto the Hadean Earth included large impacts that could have influenced early habitability, either by sterilizing the planet or alternatively catalyzing the origin of life by delivering iron […]
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SwRI-led Team Produces A New Earth Bombardment Model
A team led by Southwest Research Institute has updated its asteroid bombardment model of the Earth with the latest geologic evidence of ancient, large collisions. These models have been used […]
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Zeroing In On the Source Of The Impactor That Wiped Out The Dinosaurs
The impactor believed to have wiped out the dinosaurs and other life forms on Earth some 66 million years ago likely came from the outer half of the main asteroid […]
Posted inImpact events
Early Earth Was Bombarded By A Series Of City-sized Asteroids
Scientists know that the Earth was bombarded by huge impactors in distant time, but a new analysis suggest that the number of these impacts may have been x10 higher than […]
Posted inImpact events
What Killed The Dinosaurs And Where Did It Come From?
New theory explains possible origin of the Armageddon-causing object. It forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it’s known, left […]