New research suggests Sonoran Desert toads went into steep decline after stories of their mind-bending chemical properties ...

Some experts see promise in targeted sales of federal land at low cost instead of big sell-offs at market rates. Such sales ...

Majority Democrats, a new group of elected officials from all levels of government, has outsized ambitions to challenge ...

It may sound bizarre, even like a horror movie — but US officials are preparing to fight a flesh-eating pest by releasing ...