National Radio Astronomy Observatory and ALMA Observatory

Dwarf galaxies create new stars just like bigger galaxies do – but for decades researchers haven’t been able to find the same star-forming ingredients inside of them. An astronomer at Lowell Observatory helped explain the mystery.

In the global carbon economy, forests act like leafy savings accounts. They take carbon dioxide from the air during photosynthesis, convert it into biomass, and deposit it for years or even centuries in wood and soil.


The U.S. Fish and Wildlife Service has proposed listing two Western minnows in the West as “threatened” under the Endangered Species Act. The agency says human activity has caused the numbers of two chub species to dwindle. Arizona Public Radio’s Ryan Heinsius reports. 

US Forest Service/Apache-Sitgreaves National Forests

Orange and gold leaves usually fill the branches of Aspen trees this time of year. But as Arizona Public Radio’s Aaron Granillo reports, a fungal disease is turning some of those leaves brown and blotchy across the Southwest.

NBC News

The Kiwanis Club will build a playground in Prescott to honor Kayla Mueller. The humanitarian aid worker died earlier this year while being held captive by the self-proclaimed Islamic State in Syria. Arizona Public Radio’s Justin Regan reports.

Pinal County Sheriff Paul Babeu and State House Speaker David Gowan have each entered the 2016 race for Arizona’s 1st Congressional District. It’s the office currently held by Democrat Ann Kirkpatrick who’s stepping down to challenge John McCain for his U.S. Senate seat. Arizona Public Radio’s Ryan Heinsius reports.




Pinal County Sheriff Paul Babeu has entered the race for the Republican nomination in Arizona's 1st Congressional District.

Babeu announced his candidacy Monday for the open seat held by Democrat Ann Kirkpatrick. She is running in the 2016 race for the Senate seat held by Republican John McCain.

Former Arizona Secretary of State Ken Bennett and rancher and businessman Gary Kiehne also are seeking the Republican nomination, while former state legislator Tom O'Halleran is running for the Democratic nomination.

US Census Bureau

The U.S. Environmental Protection Agency tightened its ozone standard yesterday. State officials say that puts many counties in Arizona out of compliance. 


 Arizona's top school official has rolled out her plan to fix the state's struggling K-12 school system, and it includes eliminating the state's Common Core standards.

Tempe Councilwoman Lauren Kuby is suing the state over a law that prevents towns and cities from banning plastic bags. The Arizona Center for Law in the Public Interest filed the suit on Kuby’s behalf, and says legislators violated the Arizona Constitution by passing the law. Arizona Public Radio’s Ryan Heinsius reports.