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A group of three watch the solar eclipse in Tucson, Ariz., on Monday, April 8, on the University of Arizona campus mall.

Sun, moon, and spectacle: Thousands flock to UA mall for solar eclipse

The last total solar eclipse that could be seen in the United States was in 2017.
The stinknet weed (Oncosiphon pilulifer), seen here with a key for scale, was being traded as Globe chamomile before being renamed. Scientists say it is an invasive plant in our region.

Invasive Plant is Causing Concern in the Sonoran Desert

South African native can flourish in Central and Southern Arizona
Mosquitoes are historically among the worst carriers of infectious disease globally.

UA scientists explore new way to control mosquito populations

It introduces chemicals that attack the insect's gut.
Vicki Lewis starring as Maria Callas in Arizona Theatre Company's production of "Master Class"

The life and loves of virtuoso Maria Callas explored in the play "Master Class".

Also on Arizona Spotlight: The International Uranium Film Festival returns to Tucson; the comedy of Elliot Glicksman; and "Stories That Soar!" looks at how children cope with depression.
February 29, 2024

Leap day places calendars back in sync

Scientists say the calendar quirk puts the Earth's rotation and trip around the Sun in the proper order.
Illustration of IM-1 lunar spacecraft.

South Pole moon landing sets up new exploration goals

Lunar scientists and engineers are facing the challenge of getting water from the surface.
Chocolates in a heart-shaped box

Gift-giving stress threatens Valentine's Day bliss

Why some people put too much emphasis on striking the night tone.
File image of equipment in a trauma room at a hospital in Tucson.

The Buzz: Organ and tissue donation in Arizona

A look at how transplants happen, and what it's like to live through one.
Tree rings tell a story of natural history.

Put a ring on it for Valentine's Day talk at College of Science Lecture Series

Tree rings can reveal natural hsitory dating back thousands of years.
A prototype image of the BlackStar Orbital Technologies Corporation SpaceDrone.

BlackStar Orbital SpaceDrone Manufacturing Facility coming to Sierra Vista in 2026

The company will build and test its portable satellite called the SpaceDrone at the new facility
Spiral galaxy NGC 1300, 69 million light years from Earth. Imaged by from NASA's James Webb Space Telescope,

James Webb Space Telescope reveals views of spiral galaxies

Scientists are getting new information about our own Milky Way.
Exotic exoplanets will be discussed in one of the presentations at the College of Science Lecture Series.

Previewing UA's 2024 College of Science Lecture Series

Presenters will reveal unexpected findings that transformed their fields.
Asteroid approaches Earth's atmosphere.

Asteroid hunters welcome Arizona citizen scientists to scan the sky

Catalina Sky Survey wants to find dangerous near-Earth objects "before they find us."
Ponderosa pine forest

UA scientists uncover methodology problem in climate research

Correcting it could change investigative techniques in use for years.
James Webb Space Telescope

UA among schools claiming the mantle of "Space U."

A dozen U. S. colleges and universities are emphasizing their dedication to space science research.
Remote healthcare technology could help hikers isolated from digital communication.

New step in remote healthcare technology being developed at UA

First responders can use it in difficult terrain where access to cell phone infrastructure is not a given.

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