The study is published in the journal Science. The chart shows the relative ups and downs in species counts, telling ...

Another chart shows the number of species deemed threatened or endangered in the U.S. over 56 years, based on data from the U.S. Fish and Wildlife Service. The status of a species may have changed ...

The Center for Biological Diversity has called on U.S. Fish and Wildlife to protect the Bendire's thrasher amid report on ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

Check out the butterflies in your area If you live in New York, N.Y., 128 species included in the study may be found in your part of the country. “The loss that we’re seeing over such a short ...