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Across the country, demand for electricity is on the rise — and so is the price of electric power.

The biggest mineral show in the world gets underway this weekend in Tucson, Ariz. The exhibits are visually stunning, but part of the lure is that an unknown mineral could be unveiled.

Archaeological records show ancient humans sometimes ate each other. A new study suggests that hunting and eating other humans cost too much effort to be a regular thing. So why'd they do it?

The EPA plans to repeal the Clean Power Plan, an Obama-era effort to combat climate change. Steve Inskeep talks to lawyer Jeff Holmstead, who represents a group which has challenged the plan in court.

For decades the Navajo Generating Station provided a good livelihood for Navajo and Hopi tribes. But the plant is scheduled to close next year, leaving 500 workers scrambling for an alternative.

Years ago, scientists moved eggs of a federally threatened frog from Mexico to Southern California. Audio monitoring -- with an AI assist -- now shows the complicated conservation effort is working.

The Biden administration's first month includes dealing with the crises of COVID-19, the economy, and now a natural disaster. Plus, a new week for Texas Senator Ted Cruz, and it's not in Cancún.

The U.S. Supreme Court heard arguments on whether to end Temporary Protected Status for people seeking refuge as a result of armed conflicts, natural disasters or extraordinary temporary conditions.

Huge swaths of the country are pivoting from fossil fuels, toward wind, solar and other renewables. New York Times climate reporter Brad Plumer discusses this progress and roadblocks that lie ahead.

Data centers are expanding across the central U.S. to meet growing demand for artificial intelligence. That's raising concerns about growing energy demand and freshwater usage.