This is a well-written important paper on the recovery of fauna and flora following the end-Permian extinction event in several continental sites in northern China. The convincing conclusion, a rapid ...

The new study deciphered the single-most greatest mass extinction on Earth driven by a natural calamity that still exists.

(Desks should have reset buttons.) The planet earth has a reset button, called mass extinction. It has been pressed five times so far. The most drastic occasion was at the end of the Permian period, ...

Dinosaurs long dominated Earth’s land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus ...

The dunes sagebrush lizard — a tan, scaly reptile measuring just a few inches long — lives in the Permian Basin ... To stave off extinction, the Fish and Wildlife Service listed the lizard ...

Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 -- twice the number of animal species lost. But which species ...

What happens when the biodiversity witnessed by one generation fades into memory the next? These questions are crossroads at ...

The PRI is an independent non-profit organization started about 100 years ago. It opened the Museum of the Earth in 2003 and operates the Cayuga Nature Center. In 2004, Cornell University and the PRI ...

The Cost of Preventing Extinction of Australia's Priority Species Feb. 3, 2025 — A new study has estimated it would cost $15.6 billion per year for 30 years to prevent extinction for 99 of ...

Are humans the only species to drive another to extinction? Tom Ruppel | Dixon, California Human activities are the most prominent cause of species extinction today, but not the only one.

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...