News

Greg Barron-Gafford used to see solar farms on the side of the highway and often asked himself the same question: Why can't we grow plants there, too?

Ladd Keith once spent his Tucson summers holing up inside to play hours of video games. Today, he is one of the country's foremost experts on planning for extreme heat, the deadliest weather-related phenomenon.

Increased precision of radiocarbon dating and archival evidence reaffirms 23,000 years as the age of the famous footprints discovered in White Sands National Park and demonstrates humans withstood abrupt swings in the environment within individual lifetimes.

OSIRIS-APEX, the spacecraft that originally flew as OSIRIS-REx, is expected to reach the asteroid Apophis in late spring of 2029, but the team is already keeping the spacecraft busy.

A Jupiter-sized world just 7.5 light-years away is cloudy, chemically complex, and, it turns out, more like home than anyone expected.

Sept. 30 marked the formal end of NASA's OSIRIS-REx mission. This was the United States' first ambitious attempt to collect a sample of an asteroid and return it to Earth, and it was led by the University of Arizona.

The mission, dubbed PUFFINS, will use an ultraviolet space telescope to seek answers about dust between stars.

New research shows that X and Y chromosomes drive risk of diseases, including cancer, independent of hormones. Understanding these mechanisms could drive sex-aware medicine.

After Alzheimer's, vascular dementia is the second-most common type of dementia. Following more than a decade of development in the lab, researchers are preparing to evaluate a novel peptide in humans.

Four decades of satellite records reveal that roughly 80% of global drylands are experiencing extreme swings in interannual productivity, and current models are missing it.

Contrary to conventional wisdom holding that early galaxies were composed of mostly hydrogen and helium, new observations suggest that galaxies were seeding the cosmos with heavy elements just 500 million years after the Big Bang.

During the NASA Inspiration Tour at the U of A, students shared the space missions and technologies they are building and engaged directly with NASA leaders about the opportunities ahead.