The lawsuit filed with the Supreme Court marks the latest chapter in a decades-old dispute between Nebraska and Colorado.

A group of climate activists seeking to revive their lawsuit against the EPA referenced a legal opinion by Justice Samuel ...

Nebraska has filed a lawsuit against Colorado over how much water its neighbor draws from the South Platte River. Officials ...

The Supreme Court's decision to let U.S. survivors of terrorism sue Palestinian groups raises jurisdictional questions in a case against foreign fossil fuel ...

Two Supreme Court decisions support the argument by youth challengers that they can sue the Trump administration over climate ...

The U.S. Department of Justice argues the Missoula complaint is asking for a solution that is beyond the courts to provide.

Judge’s ruling in new class-action case protects all children who could be denied citizenship under Trump’s executive order ...

The lawsuit, filed by some of the successful plaintiffs from Held v. Montana two years earlier, aims to block the Trump ...

Attorneys for trans teen who challenged state-level bans say she ‘just wants to play sports with her friends and peers’ ...