Benji Jones is an environmental correspondent at Vox, where he covers biodiversity loss and climate change.

The border wall, a centerpiece of President Donald Trump’s agenda, cuts through a rugged, unique ecosystem home to hundreds of native species, from jaguars and pumas to black bears and deer. These ...

OARRA collects samples of dead animals’ lungs, brains, blubber and more, compiling a biological library of clues for researchers around the country. The data helps scientists learn more about what’s ...