Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around 150 million years ago alongside familiar dinosaurs like stegosaurus ...

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.

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.

Senator Cynthia Lummis, Republican of Wyoming, said the Endangered Species Act needed reform but called the Biden administration’s proposal wrongheaded. “It is already difficult to remove a ...

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 ...

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 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.

New biotechnologies possible These previously unknown and newly described species carry genetic traits associated with resilience to extreme environments such as those found in space. Some of the ...

The Trump administration is proposing to significantly limit the Endangered Species Act's power to preserve crucial habitats by changing the definition of one word: harm. On Wednesday, the ...

Scientists have identified several new marine species in a pristine underwater ecosystem recently discovered in international waters -- and they expect to find more. Modern technology that allows ...

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.