Determining what killed the dinosaurs 66 million years ago at the end of the Cretaceous Period has long been the topic of debate, as scientists set out to determine what […]
Impact events
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 inExtinction events, Impact events, Press Release
An Asteroid Impact Crater Beneath The North Atlantic Ocean – And The Demise Of Dinosaurs
Scientists have found evidence of an asteroid impact crater beneath the north Atlantic ocean. The 8.5km-wide crater is buried 300-400m below the seabed 400km off the coast of Guinea, west […]
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 […]
Posted inImpact events
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 […]
Posted inImpact events
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 […]
Posted inImpact events
Extreme Volcanism Did Not Cause The Late Cretaceous Massive Extinction
A study published in the journal Geology rules out that extreme volcanic episodes had any influence on the massive extinction of species in the late Cretaceous. The results confirm the […]
Posted inImpact events
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 […]