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OSIRIS-REx on its Way to Asteroid Bennu

Close-Earth encounter lets team test instruments, take pictures of Earth.
The US Fish and Wildlife Service says the Sonoyta mud turtle is in danger of going extinct. There are five known populations, one is Arizona and four in Sonora.

Rare Arizona Turtle to Join Endangered Species List

US Fish and Wildlife says the reptile is in danger of extinction.
Image from a video illustrating the path the OSIRIS-REx spacecraft is projected to take on its way to the asteroid Bennu.

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.
A view of Tucson from Tumamoc Hill.

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.
The fish survey team in the Santa Cruz River in Marana, 2015.

Ecologist: New Fish Swimming in Improving Water of Lower Santa Cruz

Final report shows new fish species, improved water quality.
Looking down at the mall on the campus of the University of Arizona.

Flu Season Off to an Early Start on UA Campus

Almost 40 cases diagnosed; exact origin unknown.

Tucsonan Ranks Among Nation's Best STEM Students

Selected for honor by science education non-profit
Crews work to clear Wet Canyon on Mount Graham. The canyon was overrun with debris and sediment when multiple storms brought heavy rainfall to areas that were severely burned during the Frye Fire.

USGS: Wildfire-Caused Erosion Endangers Western Watersheds

Denuded landscapes allow sediment to soak up or contaminate run-off.
Patagonia Lake State Park and surrounding protected areas provide habitats for many species of wildlife.

State Park Benefits from Summer Monsoon

Rain adds welcome water to the popular destination.
(AP Photo/Kirsty Wigglesworth)

Arizona's Obesity Rate Flattens, Still Concerning

Nearly one-third of state's population is heavy enough that it affects their health.
Star-gazing at Kartchner Caverns State Park.

Lights Go Out at Kartchner Caverns, Newest Dark-Sky Park

Managing artificial light benefits astronomy, wildlife and humans, association director says.
An exhibit at the Arizona State Museum.

Project Aims to Gather SW Archaeological Data for Online Tool

The Cyber-Southwest project can help researchers understand issues facing pre-Columbian Southwest societies.
Applying sunscreen can prevent skin cancer.

Skin Won't Absorb New UA-Developed Sunscreen

The product was developed with assistance from Tech Launch Arizona.
The Tucson Convention Center exhibit halls fill with students' exhibits at the annual Southern Arizona Research, Science and Engineering Foundation fair.

Southern Arizona Science Fair in the Running for $100K Innovation Award

The Drucker Foundation points to science fair organization's data and evidence emphasis.
This false-color composite image, constructed from data obtained by NASA's Cassini spacecraft, shows the glow of auroras streaking out about 600 miles from the cloud tops of Saturn's south polar region. The image was taken by the University of Arizona-led Visual and Infrared Mapping Spectrometer.

UA Camera to Snap Final Pics for Saturn Mission Before Crashing into the Planet

The spectrometer aboard Cassini has provided clues to the processes at work around Saturn.

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