Cities and agriculture across the West put intense pressure on groundwater supplies. In some regions, there are few rules governing how and when people can pump. That’s true in rural Southern Arizona, where residents are seeing their wells dry up as big farms move in.

Astronomers say they’ve discovered a new ultra-faint dwarf galaxy, which they believe can help answer some questions about the early stages of the universe.

The $14 billion National School Lunch Program provides midday meals to nearly 40% of U.S. children each day. A new study looks at the environmental impacts of these lunches, and how shifting the menu could help.

Seven species of sea turtles swim the world’s oceans, nearly all of them threatened or endangered by climate change, poaching and entanglement in fishing gear, among other threats. Five of those turtle species make their way into Mexico’s Gulf of California, where a family in the small Sonoran fishing town of Kino Bay is working to protect the turtles that reach its coasts.

An Arizona Senate committee approved a plan to provide $1 billion over the next three years to revamp the Water Infrastructure Finance Authority.

A federal court has put a temporary hold on the government's order for Juul to stop selling its vaping devices and cartridges.

The U.S. Supreme Court has overturned the constitutional right to an abortion, reversing Roe v. Wade, the court's five-decade-old decision that guaranteed a woman's right to obtain an abortion.

Children can get long COVID-19, too. But research on the topic remains spotty, consisting mainly of small studies that exclude the youngest children and lack laboratory test results and control groups.

In Arizona, more than 15% of residents report having medical debt in collections, and the median amount Arizonans owe is $919.