The Fish and Wildlife Service said 21 species, including a mammal, birds, fish and mussels, are being removed from the endangered list because they're now considered extinct.

The U.S. Fish and Wildlife Service has delisted 21 species from the Endangered Species Act due to extinction, the agency announced Monday. The service had proposed the delisting of nearly two ...

Nature is in crisis, and it's only getting worse. As species vanish at a rate not seen in 10 million years, more than 1 million species are currently on the brink.

Dr. Dufresnes’s method for finding new species takes a lot of work in the field. Other researchers have looked for more efficient ways to identify species. One popular method is to sequence DNA ...

The species, including birds, mussels and a bat, have been moved off the threatened and endangered list. They join 650 other species that have gone extinct in the U.S.

An update to the International Union for Conservation of Nature's Red List of Threatened Species has declared 31 animal and plant species extinct. That total includes the lost shark, listed as ...

The Endangered Species Act worked. Thanks to the legislation and the way it has been enforced, today we have the opportunity to watch soaring bald eagles in the lower 48, see gray whales migrate ...

Trump officials have proposed changing a decades-old interpretation of a key word in the Endangered Species Act, which would make it much easier to log, build or drill for oil.

Divers, underwater submersibles and remotely operated vehicles found 886 marine species over a 16-month period, and they have all been deemed new to science.

Applying 100 E/MSY to Cowie's 2022 method suggests 100,000 of the roughly 2 million known species have gone extinct over the past 500 years. However, that doesn't account for unknown animal species.

In South America, which is home to the Amazon Rainforest, 3,356 out of the 13,668 assessed tree species are at risk of extinction due to deforestation for crop farming and livestock ranching.

Human Impact #2: Invasive Species Invasive species are living organisms that get a little too comfortable in habitats that don’t belong to them.