A decline in the element molybdenum across our planet’s oceans preceded a significant extinction event approximately 183 million years ago, new research from Florida State University shows.
Extinction events
Posted inAtmospheres, Climate, Weather, Extinction events, Press Release
Earth Might Be Experiencing A Seventh Mass Extinction, Not The Sixth
Earth is currently in the midst of a mass extinction, losing thousands of species each year. New research suggests environmental changes caused the first such event in history, which occurred […]
Posted inExtinction events, Press Release
Understanding Earth’s First Known Mass Extinction Event 550 Million Years Ago
A new study by Virginia Tech geobiologists traces the cause of the first known mass extinction of animals to decreased global oxygen availability, leading to the loss of a majority […]
Posted inExtinction events, Habitable Zones, Press Release, Radiation, Space Weather & Heliophysics
Tree Rings Offer Insight Into Devastating Cosmic Radiation Storms That Strike Earth
A University of Queensland study has shed new light on a mysterious, unpredictable and potentially devastating kind of astrophysical event.
Posted inAstronomy & Telescopes, Extinction events, Habitable Zones, Press Release, Radiation
X-Ray Luminous Supernovae: Threats To Terrestrial Biospheres
The spectacular outbursts of energy associated with supernovae (SNe) have long motivated research into their potentially hazardous effects on Earth and analogous environments.
Posted inExtinction events, Impact events, Press Release
Simulation Of The Global Impact Of the Dinosaur-Killing Chicxulub Asteroid Impact Event
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.
Posted inExtinction events, Impact events, Press Release
What Killed Dinosaurs And Other Life On Earth?
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 […]
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 […]