Learn how the emergence of new plankton species started life's swift recovery after the asteroid impact that killed most ...

SANTA CRUZ — As bad days go, it’s hard to top the one 66 million years ago when a space rock the size of Paris slammed into Earth at 45,000 mph. The heat of impact generated massive fires that ...

The giant asteroid that snuffed out the dinosaurs at the end of the Cretaceous period (145 million to 66 million years ago) left flowers relatively unharmed, and the blooms thrived in the aftermath, a ...

"Specifically, the impact of their extinction may not just be observable by the disappearance of their fossils in the rock record, but also by changes in the sediments themselves." Dr. Weaver says the ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

A new study by researchers from the University of Bath (UK) and Universidad Nacional Autónoma de México (Mexico) shows that flowering plants escaped relatively unscathed from the mass extinction that ...

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 ...

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 ...

2:18 p.m. May 31, 2023: An earlier version of this story misidentified the plant that was neither growing nor deteriorating. It was Sequoia sempervirens, or coast redwood, not metasequoia, or dawn ...