Geoscientists from the University of Cologne have led an international study to determine the origin of the huge piece of rock that hit the Earth around 66 million years ago and permanently changed ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

You’re reading this because something catastrophic terminated the more than 150-million-year reign of the dinosaurs. A Brachiosaurus skull is seen at The Natural History Museum in Berlin on July 13, ...

The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of Life on Earth. Vertebrate groups that dominated at the time, such as dinosaurs and ...

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

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This undated handout image shows the 66 million-year-old Cretaceous-Paleogene boundary layer at Stevns Klint in Denmark, a global layer which contains debris from the ...

The rock formation was a stark contrast to the formations lying beneath it, which had waterlogged, poorly developed soils reminiscent of what you might see in the outer edges of a floodplain. The ...

The Paleocene is a geological epoch within the Paleogene Period, spanning approximately 66 to 56 million years ago, immediately following the Cretaceous–Paleogene (K–Pg) boundary. It is defined ...

Wilf, Peter, Johnson, Kirk R., and Huber, Brian T. 2003. "Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary." ...