States

The tiny fish doesn’t reproduce well in years when the water doesn’t flow. Several bad years in a row could push the species closer to extinction.

The documentary Cascades Crossroads showcases the hard work — and compromises — necessary to protect migrating animals from deadly highways.

Even before the border wall is built, local business owners and conservationists worry about its impact on tourism and wildlife.

Water managers say no, but Native American tribes are keeping careful watch on the “water that connects us.”

Disease outbreaks could be coming your way — our interactive map shows how you could be affected.

Many states currently are poorly equipped to assume the responsibility of caring for their threatened wildlife.

The subspecies has now been removed from the Endangered Species Act, 80 years after its last sighting.

Attacks on science and the environment have been met with an increase in civic engagement and resistance.

Experts warn this could lead to further threats of violence and “religious war” against federal officials.

2017 was another deadly year for panthers. How many more years can this critically endangered species survive?