As koalas in southern Australia have grown from a few hundred to almost half a million, the marsupials show signs of regaining lost genetic variation.

From shorebirds flying between their Arctic breeding grounds and southerly foraging ranges to freshwater fish returning to native spawning streams, migratory animals are struggling. About half of all ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called resident orcas, stay in such large family groups ...

The federal government recently released new dietary guidelines aimed at “ending the war on protein” and steering Americans toward “real foods” — those with few ingredients and no additives. Seafood ...

A Critically Endangered Javan Rhino calf has been photographed with its mother in Ujung Kulon NP in western Indonesia, offering fresh optimism for the future of one of the planet's rarest large ...

In the north of Spain, archaeologists have uncovered the chilling remains of a medieval society that lived hidden underground ...

The small Nigerian city of Igbo-Ora boasts a unique title: the “twin capital of the world.” A stroll through its streets, in this territory of nearly 200,000 inhabitants, reveals an unusual presence ...

New genetic testing from the University of the Sunshine Coast has uncovered the extraordinary lengths a group of Queensland ...

If you follow media coverage of koalas, you could be forgiven for feeling confused. Recent stories describe a “koala paradox”: endangered in the north of Australia, abundant in the south; genetically ...

Scientists studied centuries-old bird feathers from an ancient tomb on the coast, and then traced the origins back to the ...