Environmental groups in Arizona are suing the Trump administration over plans to construct a border wall in the San Rafael Valley, one of the last stretches of untouched borderlands. In a lawsuit ...

A migration corridor that allows jaguars and ocelots to cross into the U.S. is the latest border wall construction zone.

The U.S. should help the ocelot in Arizona and northern Mexico by protecting its best habitat and movement corridors, identifying major threats, and researching the cat's habitat needs, a new federal ...

TUCSON, Ariz.— Conservation groups sued the Trump administration today for unconstitutionally waiving dozens of environmental laws to speed border wall construction through the San Rafael Valley in ...

Democrat Adelita Grijalva was finally sworn in after more than a month’s delay, and she spent her first Saturday as a ...

Over the years, while checking trail cameras in the San Rafael Valley wildlife corridor south of Tucson, I’ve seen images that still take my breath away. There was El Jefe, the legendary jaguar of the ...