This discovery is the first of its kind, with a perfectly preserved 3-month horse of a now-extinct species in the Siberian ...

More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk ...

The species is not considered endangered and is listed as "least concern" by the IUCN. Not all Lazarus taxa supposedly went extinct millions of years ago — some are unexpected survivors of ...

“Scientists estimate that we’ve identified only one-tenth of all species on Earth,” said Dr. Shannon Bennett, chief of science at the California Academy of Sciences, in a statement.

The seven new species are all closely related to another species, Boophis marojezensis, that researchers have known about since the mid-1990s. But when they looked at genetic information of these ...

So new species are being discovered all the time - and often by citizen scientists, not academics. From member station KUNC in Colorado, Rae Solomon reports. (SOUNDBITE OF FOOTFALL ON TRAIL ...

The shrubs probably responded first. In the 19 th century, alder and flowering willows in the Alaskan Arctic stood no taller than a small child—just a little over three feet. But as temperatures ...

Some of the best known species on Earth may not be what they seem. Credit...Steve Holroyd/Alamy Supported by By Carl Zimmer Naturalists have been trying for centuries to catalog all of the species ...