Adelita Grijalva wins Arizona Democratic House primary, Daniel Butierez wins GOP nomination

Voters in southern Arizona have nominated Democrat Adelita Grijalva to advance to a special general election to replace the late U.S. Rep. Raúl Grijalva in Arizona’s 7th Congressional District. Raúl Grijalva, who is Adelita’s father, was one of the most senior and progressive power brokers on Capitol Hill. His death in March left the seat…

North America’s oldest known pterosaur, a flying reptile the size of a “small seagull,” discovered in Arizona, researchers say

For paleontologist Ben Kligman, the question was: Is this fragile jawbone a pterosaur or not?  Other researchers also had questions about the fossil, unearthed along with thousands of others during a decades-long archaeological dig at a remote bone bed in the Petrified Forest National Park in Arizona. Some thought the bone could’ve been a mammal, Kligman…