More Science Stories

Volunteers Sara Ransom and Kaya Foss doing wet-dry mapping on the San Pedro River.

How much water is in the San Pedro? Every year, volunteers seek to find out

More than 100 volunteers spent last weekend tracking the presence of intermittent water in the river.

Archie is a big brown bat, and has been taken care of by Bob & Debbie Beucher since being rescued more than sixteen years ago.

Bat night at the Mission Garden

Also: A new facility in Nogales, Sonora to help migrants following the Trump administration's "Remain in Mexico" policy; and strangers find common ground with "One Small Step".

Cassini's view on approach to Phoebe (left) and departure (right). The dark, roughly spherical object is roughly 16 times smaller than Earth's moon.

Saturn's rings, moons raise questions about solar system, water origins

A discovery could prompt a rethinking of how the solar system formed.

Rescue crews during 2017 flooding from Hurricane Harvey in Texas

UA storm watchers predict active hurricane season

Annual forecast model shows Atlantic conditions similar to dangerous 2017.

A small sample of the types of jewelry made by local artisans for the annual Tucson Juneteenth Celebration.

Tucson Juneteenth Celebration 2019

Also on Arizona Spotlight: A cross-cultural program inspires Native students in the UA College of Medicine; and, is it a piece of cake for the brain to interpret a metaphor?

The Greek island of Santorini was formerly an active volcano in the Argean Sea

UA researchers dating ancient volcanic eruption using tree rings

The tree rings can help them understand more about the explosion of a volcano thousands of years ago.

World View headquarters outside of Tucson.

High-altitude balloon company World View completes 16-day flight

The Tucson-based company plans on marketing its balloon service next year.

Lowell Observatory in Flagstaff.

Lowell Observatory marks 125th anniversary with 3-day celebration

The Flagstaff observatory, which took part in confirming the expansion of the universe, has embarked on a multiyear expansion plan.

UA study of language disorder could aid early dementia detection

The research looks at primary progressive aphasia, a neurodegenerative disorder that causes a gradual decline in language abilities.

Artwork depicting the Coconino Desert environment and two primitive tetrapods, based on analysis of fossil footprints from Grand Canyon National Park.

Grand Canyon fossil footprints reveal early desert dwelling animals

Fossil footprints survive as evidence of the animal occupants of a Northern Arizona desert of dunes that existed before the age of dinosaurs.

The surface of LEO looking down one of the three slopes. The greenhouse above the slope is the same greenhouse that was used for agricultural purposes when humans lived in the Biosphere 2 in the early 90s.

Project tracing earth changes to introduce plants into its landscapes

The Landscape Evolution Observatory experiment at Biosphere 2 observes changes to natural landscapes in a controlled environment.

A diamondback rattlesnake flicks its tongue.

Researcher: Snakes holding steady against Tucson sprawl

A UA scientist is studying the impact of urban development on reptile wildlife.

Animal cognition researchers are discovering how dogs learn to recognize their owners while ignoring strangers.

Your Dog Can Recognize You. UA Researchers Want to Know How

Understanding the animal mind is a way for researchers to better understand human behavior.

A file image of a patient receiving a vaccine.

Researcher Working to Match Immunology With Stem Cells

Deepta Bhattacharya studies efficiency in the body's response to infections.

This artist's rendering shows what Suskityrannus hazelae might have looked like.

Meet the T. Rex Cousin You Could Literally Look Down On

The 92-million-year-old relative of the so-called king of the dinosaurs only would have grown to about the size of a toddler.

Asteroid Itokawa is the much-battered remnant of a larger parent body. The samples provided by JAXA and studied by Jin and Bose came from the feature called the Muses Sea, which is the smooth area in the middle of Itokawa.

Asteroid Sample Helps Settle Which Scientific Theories Hold Water

Research at ASU suggests a family of common, silicon-rich asteroids could hold enough water to fill half the Earth's oceans.

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