More Science Stories

The deep blue of Cherenkov radiation reveals the location of the fuel assemblies within the open reactor core (foreground). The tube beneath the platform, a tube-shaped fuel handling machine extracts one of these assemblies.

Inside Arizona's Only Nuclear Power Plant

The plant shuts down a reactor periodically for maintenance and engineering tasks.

'Woven Through Time' Reveals Cultural Fabric of the Southwest

Also on Arizona Spotlight: A state budget update; Dr. David Alberts retires from the UA Cancer Center; and "A Book I Love" returns.

A photo of Tucson resident Annie Laos from her memorial.

Annie Laos, A Tucson Original, Remembered by Friends and Family

Also on Arizona Spotlight: A look at alternatives to a physical border wall; how genome research helps science to understand epilepsy; "I Dream in Widescreen" brings new film makers' work to light.

Several hundred people march from Armory Park to El Presidio Park April 22, 2017, for the Rally for Science - Tucson.

Thousands Rally in Tucson to Support Science

Earth Day event aimed at promoting, defending fact-based research.

Geography and Tree Ring Lab researcher Kevin J. Anchukaitis studies climate, here he looks at a core sample under a microscope.

Episode 134: Earth Week - From Climate Science to Corporate Science

Politics, wildfire danger, corporate environmentalism and a solar wall.

10/17/12. Rebecca Brukman.
Image of landscape, featuring cloud cover, after monsoon.

National Weather Service Wants Help Spotting Storms

Program helps meteorologists get view of incoming storms to make monsoon safer.

Old Pima County courthouse in downtown Tucson.

Downtown Earth Day Rally Aims to Spark Interest in Science

Saturday event at Tucson's El Presidio Park is part of worldwide focus on science

Geoff Notkin crunches some meteorite numbers at his desert field desk.

Tucson Science Rally Gains Momentum as Earth Day Approaches

Also on Arizona Spotlight: Attorney General Sessions gives speech in Nogales; artist Lex Gjurasic stamps out reality; and Arizona's round-tailed ground squirrels get the attention they deserve.

A prehistoric posthole and pit.

Hohokam Farm Found on Site of Future Phoenix Store

Archaeological work complete, Fry's will break ground on site this week.

A view of Earth from space.

Christian Climate Scientist: 'Facts Not Enough' in Dialogue

Texas climate expert will speak at UA this week, saying human values important in discussions.

A view from the Lake Mead side of the Hoover Dam.

'Smart' Agreements Leave More Water in Lake Mead, Regulators Say

Snow pack will add to reservoirs this spring, but the Colorado basin remains in a drought.

An HD animation of Jupiter created with maps made with Hubble imagery, 2015.

Jupiter to Shine Its Brightest and Biggest

Largest planet making closest approach to Earth this year Friday.

Students Show off Science Skills at Annual Fair

More than 2,000 exhibits and activities for kids and adults at the Southern Arizona event.

Landed Orion Test Capsule at Yuma Proving Ground in March 2017.

Arizona Desert Is Testing Spot for NASA's Mars Capsule

The mission is in the 'quantification' stage, and each test costs $1-$1.5 million.

A future is depicted in which rhizobacteria sourced from stressful areas around the world may be used as a metaphorical “prescription for drought.”

Study: Soil Bacteria Can Improve Crop Yields During Droughts

Grain crops like corn and wheat produced up to 40 percent more seeds.

A University of Arizona led project will study the materials found between stars in the Milky Way.

UA-Led Mission Will Float Telescope on Balloon to Study the Milky Way

Balloon-borne telescope to study galaxy's gas and dust.

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