Without interrupting their busy sleep schedule, Australia’s cute, if cantankerous, koalas have turned a truism of genetics on its head. In short, the proliferation of certain koala populations shows ...

Invasive species are all over America, and it’s very likely you may have seen them in your own backyard. Some species are so ...

Farmers have endured terrifying encounters. Government stressed over growing population of unusual species — here's what you need to know first appeared on The Cool Down.

An interim update to the landmark State of the World’s Migratory Species of 2024 warns that 49% of migratory species populations protected under a global treaty are declining, up 5% in just two years, ...

For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood ...

Billions of birds that once filled North American skies have disappeared, and new science shows they are disappearing faster than ever.

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.

Confused about native, non-native, introduced, and invasive species? This guide breaks down the definitions, explains how scientists classify them, and explores real-world examples like zebra mussels ...

Researchers at Rice University have uncovered a critical link between rising temperatures and declines in a species' population, shedding new light on how global warming threatens natural ecosystems.

With two citizen petitions on the table, a set of stakeholder recommendations and a lot of public opinion, furbearers (species like bobcats, coyotes, beavers and foxes) will take center state at the ...

Thanks to decades of conservation work, their population has rebounded to around 400. Trail camera captures rare footage of one of 'world's most critically endangered' species: 'It's very gratifying ...