More Science Stories

Desert Morning by Joe Orr displayed at the "Painting In, Painting Out" exhibit. The exhibit will be on display through October 12.

"Painting In, Painting Out": The world as seen by the Sonoran Plein Air Painters.

Also on Arizona Spotlight: "Hey Y'all", Fortune Feimster is coming to the Fox Tucson Theatre; and a new book for young readers tells the story of a female pioneer in molecular science.

A rafting outfitter motors through Lake Powell's delta.

As Lake Powell's water level declines, what is emerging in Glen Canyon?

Also on Arizona Spotlight: "The King of Sting" talks monsoons and insects; Author and illustrator Adam Rex on being "Writer in Residence" at the library; and a Medieval marital dispute -- over a video game -- from "Stories That Soar!".

The asteroid impact that led to the extinction of the dinosaurs may not have been the only one.

UA researcher follows trail of a possible second dinosaur-killing asteroid

A new study looks for clues in an underwater impact crater near Africa.

A DNA strand.

DNA profiles lead to IDs of 2 men who died in Tucson in 2019

The DNA Doe Project worked with the Pima County Medical Examiner's office.

A 2-second image exposure shows Starlink satellites in front of a star field.

University of Arizona graduate tracks satellite constellations for beleagured astronomers

Her study comes as Space X prepares to launch more sky-cluttering Starlink spacecraft.

This transmission electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S.

New studies firmly fix source of COVID-19 outbreak

University of Arizona co-authored research puts the spotlight on wild animal traders in a Chinese market.

Bats emerge from beneath Tucson bridges at sunset.

Bats take flight during Tucson's monsoon

The nocturnal creatures eat mosquitoes and defy old myths about attacking people.

Researchers say the smell of the monsoon is good for your health.

Arizonans benefit from the special scent of the monsoon

Scientists find evidence of health benefits in the desert rain.

The Sutter Telescope System installed at Winer Observatory near Tucson.

Asteroid hunters find a telescope testing center near Tucson

The company is tracking potentially valuable asteroids for future mining trips.

Kitt Peak observatory on June 19, 2022

Contreras Fire burns more than 18,000 acres

Fire managers say the fire is more than 40% contained.

Part of the Contreras Fire burning near the Kitt Peak Nationla Observatory on June 16, 2022.

Wildfire reaches Kitt Peak National Observatory

The Contreras Fire has grown to about 11,500 acres.

Woodpeckers are only one of the local species of birds that nest during the month of March.

Bird flu arrives in Arizona

The first cases were found in Maricopa County.

These are some of dozens of species that Ken Lamberton has photographed on his property near Bisbee, AZ.

Pandemic in pajamas while birding for blog.

Bisbee author turns to nature and photographs to write new chapters.

Ice core samples along with tree rings yield information from thousands of years ago.

University of Arizona researcher gets closer to solving ancient mystery

Studies of tree rings and ice core samples are providing clues to what happened to Minoan civilization in 1500 B. C.

Researchers are masking medicines to flow alongside red blood cells and avoid the body's defense systems.

Biomedical engineers sneak medicines past immune system

University of Arizona researchers are developing ways to target medication more efficiently to fight disease.

Gov. Ducey's desalination plant proposal is designed to relieve pressure on water supplied by Lake Mead.

Ducey desalination proposal carries hefty price tag

Experts think it will cost $60 million a year to operate.

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