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Summer Fire Destroys Habitat, Food of Endangered Red Squirrel
A census found a dramatic decrease in the population of the Mount Graham red squirrel following the Frye Fire.
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.
The Art of Paying Attention: Alligators
Author and wildlife illustrator Beth Surdut shares her adventures paddling with the Myakka River's most famous inhabitants.
UA Researchers Look at Mental Impairment After Heart Surgery
Some people experience cognitive difficulties following coronary bypass surgery.
Wildlife Managers Moving Large Lizards out of Freeway Project's Path
The relocations of chuckwallas will continue until construction starts next year.
One Hormone May Be The Answer To Your Dog's 'Leash Aggression'
A study found a relationship between higher levels of the hormone vasopressin and canine aggression.
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.
Rare Arizona Turtle to Join Endangered Species List
US Fish and Wildlife says the reptile is in danger of extinction.
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.
UA Telescope Gets First Look at OSIRIS-REx
Spacecraft passing Earth soon for slingshot to asteroid Bennu.
Ecologist: New Fish Swimming in Improving Water of Lower Santa Cruz
Final report shows new fish species, improved water quality.
Flu Season Off to an Early Start on UA Campus
Almost 40 cases diagnosed; exact origin unknown.
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