Striking mine worker unions call on government to intervene
The unions filed charges of unfair labor practices against Asarco in response to the company's best and final offer.
Greenland ice melt matches UN panel's worst predictions
New research suggests ice loss in Greenland has contributed just over a centimeter of mean sea level rise over 26 years.
Interior secretary announces study impacting Colorado River water talks
States are set to begin negotiations next year over a new set of agreements about the river's future.
Phoenix Suns treat Mexico City to its first NBA overtime
The Suns lost to the San Antonio Spurs in the Mexican capital in a tight game with a dramatic end.
Border wait times, Rep. Raúl Grijalva, OSIRIS-REx milestone
Plus, our journalists roundtable takes a deep dive into recent headlines impacting Arizona.
Scientists consider vertical farming ahead of changing climate
A UA researcher says the technique could help solve future food concerns.
Former UA College of Science dean talks Biosphere 2, OSIRIS-REx
Joaquin Ruiz, who has transitioned to a new role at the university, highlights the college's top achievements over the last two decades.
Report: Tailings dam poses threat to Rio Sonora valley 5 years after major spill
The report's author says Grupo México's new tailings pond threatens the health and livelihood of people already impacted by a 2014 spill.
US government loses two border fence funding lawsuits
Together, they block nearly $4 billion in military funds to build a new border fence.
OSIRIS-REx team chooses spot on asteroid to grab sample
The team chose the site by whittling down candidates using a bracket system.
Poachers swarm vaquita refuge ‘like never before’
A conservationist said the number of poachers in the endangered porpoise's habitat — casting nets for a fish called the totoaba — is unprecedented.
Border humanitarian aid work on trial
A look at how federal immigration policy and religious freedom played out in the trials of a No More Deaths volunteer.
Judge halts some military spending on border wall
The ruling applies to $3.6 billion diverted from military construction projects to pay for 175 miles of border wall.
House bill could generate more health services for Native American elders
If passed, the Tribal Elder Care Improvement Act would award grants to tribal agencies to support elder health care.
Marana's Tortolita Preserve protected from development, for now
The town will continue making lease payments on the 2,400-acre wildlife preserve.
