The United States has the most horses in the world, with a population of more than 10.3 million animals. That's roughly 18% of all horses. The country is also home to more than a hundred registered ...

The Christmas Island shrew, a species of cone snail (Conus lugubris), the slender-billed curlew, and three Australian mammals ...

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...

In 2025, animal and plant life continue to be threatened by a number of factors, including hunting, habitat loss or ...

The bioscience startup has attracted billions in investment – and a flurry of criticism, but founder tells the Guardian plans to bring back the woolly mammoth will not be derailed ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

On cover: Life Sciences Division, Royal Ontario Museum, University of Toronto https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri ...

Scientists have cloned an endangered US animal for the first time, creating a black-footed ferret named Elizabeth Ann from the frozen cells of an ancestor in a landmark achievement that boosts ...