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Arizona Science Desk
More Arizona Science Desk Stories
Saguaro Genome Shows Why Many Cactus Species Are Hard to Classify
Researchers believe that long lives and long generation times have led to mismatches in the history of species.
As Opioid Crisis Deepens, UA Group Seeks Nonaddictive Pain Treatment
Alternative therapies could replace opioids.
UA Casts 5th Mirror for Giant Magellan Telescope
Mirror Lab celebrates 20th mirror made for instruments around the world.
Study: Most Americans Face Growing Number of Extreme-Heat Days
Two-thirds of the population experiencing higher number of extreme-heat days compared with previous decades.
Eyes to the Night Sky Saturday for Worldwide Moon Viewing
Tucson astronomy group to set up telescopes, donate instrument to Pima County Public Library for International Observe the Moon Night.
Report: Climate Change, Budget Limitations Making U.S. Wildfires Worse
Lack of political urgency and social push stand in way of addressing the problem, historian says.
Southern Arizona Can Expect a Mild Winter Despite Recent Heat Records
Warm and dry, for the southern half of the country, but not enough to break the top 10, meteorologists predict.
NASA: Spike In Atmospheric CO2 Related To El Nino
A vicious cycle might await if future climates reflect similar conditions of heat and drought.
UA Astronomer Among First to 'See' Star Collision in Space
Two neutron stars collide to create gravitational waves detected on earth and allow for observation.
Wildlife Managers Moving Large Lizards out of Freeway Project's Path
The relocations of chuckwallas will continue until construction starts next year.
Raytheon Drones Fly Into Hurricanes to Collect Data
'Coyotes' were used recently in Hurricane Maria to aid in continuous monitoring.
OSIRIS-REx Instruments Get Trial Run
Spacecraft's cameras send back portrait of Earth.
OSIRIS-REx on its Way to Asteroid Bennu
Close-Earth encounter lets team test instruments, take pictures of Earth.
Study: Ignoring Climate Change Could Mean Billions In Road Repairs
Researcher says building infrastructure using outdated climate models will result in high costs down the line.
Earth's Gravity to Slingshot Asteroid-Bound Spacecraft to Target Friday
Maneuver uses Earth's gravity rather than fuel to put OSIRIS-REx on course.
Pima County to Get Regular Air-Quality Forecasts
State environmental department to provide a 5-day outlook for the county.
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