Associated Press

NASA’s Webb Space Telescope has identified new clues about the surface of Pluto’s largest moon, Charon.

The boyfriend of a Navajo woman whose killing highlighted calls to end an epidemic of missing and slain Indigenous women has been sentenced to life imprisonment.

The Arizona Supreme Court has ruled that the nearly 98,000 people whose citizenship documents haven’t been confirmed can vote in state and local races.

The Hualapai Tribe urged a federal judge Tuesday to extend a temporary ban on exploratory drilling for a lithium project near lands they have used for religious and cultural ceremonies for centuries.

Nearly 100,000 Arizona voters who haven't submitted citizenship documents might be prevented from participating in state and local elections. That's a big number with races already tight.

Leaders of the Hualapai Tribe will testify Tuesday in federal court. A judge issued a temporary restraining order last month on a lithium project near culturally important sites.

When a visitor left a bag of Cheetos at Carlsbad Caverns National Park during a summer visit, rangers describe it as a “world-changing” event for the tiny microbes that call this specialized subterranean environment home.

Leaks in the pipeline that brings water from the bottom of the Grand Canyon to the South Rim are a known problem. However, the project to overhaul the Transcanyon Waterline won’t be finished until 2027.

The story of downwinders — the survivors of the world's first atomic blast and those who helped mine the uranium needed for the nation's arsenal — is little known. But that's changing as the documentary "First We Bombed New Mexico" racks up awards.

A federal judge has temporarily blocked exploratory drilling for a lithium project in Arizona that leaders of the Hualapai Tribe say will harm land they have used for religious and cultural ceremonies for centuries.