Latest Extinction events Stories
For decades, scientists have accumulated ever-larger datasets that suggest an enormous space rock crashed into the ocean off the Yucatan Peninsula more than 65 million years ago, resulting in the Cretaceous-Paleogene (K-Pg) extinction.
An asteroid strike may not only account for the demise of ocean and land life 65 million years ago, but the fireball's path and the resulting dust, darkness and toxic metal contamination may explain the geographic unevenness of extinctions and recovery.
Researchers from the University of Granada (UGR) have compared the disaster caused by the AznalcÃ³llar spillage in the DoÃ±ana National Park in Andalusia 11 years ago with the biggest species extinction known to date.
A new scientific paper co-authored by a University of Adelaide researcher reports strong evidence that humans, not climate change, caused the demise of Australia's megafauna - giant marsupials, huge reptiles and flightless birds - at least 40,000 years ago.
Scientists have discovered that air flows in one direction as it loops through the lungs of alligators, just as it does in birds.
If Earth is headed for a mass extinction like the previous five, in which more than 75 percent of all species were wiped out, then North American mammals are one-fifth to one-half the way there.
Mammals may be nearly half way toward mass extinction.
The largest known mass extinction in Earth's history, about 252 million years ago at the end of the Permian Period, may have been caused by global warming.
Environmental selectivity during three of the â€˜Big Fiveâ€™ mass extinction events focus of two paleontologistsâ€™ latest research.
Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers.
- The act of sweetening by admixture of some saccharine substance.