Mapping fish migration routes and identifying threats is crucial to protecting freshwater species and their habitats, ecologists argue.

The idea that the pre-Columbian Amazon was pristine has taken a nose-dive in recent years. Scientists have found several ...

On the slope of a Utah mountain, a 106-acre colony of cloned aspen trees is under threat from wildlife and climate change.

For more than a decade many researchers have compared the DNA of giraffes from all parts of Africa. These studies have revealed that there are four distinct giraffe species: the southern ( Giraffa ...

Casarabe people grew the nutritious crop year-round on savannas thanks to networks of drainage canals and ponds.

Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count climbs.

And few fossils capture our imagination quite like those of the dinosaurs who lived millions of years ago. This interactive ...

An analysis of 140,000 vocalizations from 77% of bird species showed that beak size and geography play a big role in the way ...

By Christina Anderson and Amelia Nierenberg People were trampled as pilgrims at the Maha Kumbh Mela, one of the world’s biggest gatherings, gathered where the Ganges and Yamuna Rivers meet ...

By Bilal Shbair and Erika Solomon People were trampled as pilgrims at the Maha Kumbh Mela, one of the world’s biggest gatherings, gathered where the Ganges and Yamuna Rivers meet, officials said.

State of the World was previously State of Ukraine. You'll continue to hear Ukraine coverage here, along with other international stories. Support NPR's reporting by subscribing to State of the ...

Today's object: Mummy of Hornedjitef British Museum Mummy and coffins of a priest who lived over 1,000 years after Tutankhamun and Ramesses the Great. Weekly theme: Making us human Looking at the ...