When the OSIRIS-REx spacecraft delivers a sample from asteroid Bennu to Earth on Sept. 24, it will launch decades of scientific investigation. Mission principal investigator Dante Lauretta is most excited to shed light on the origins of life on Earth.

Robert C. Robbins speaks with Professor Sharon Megdal, Director of the Water Resources Research Center at the University of Arizona, about the Colorado River Basin's water crisis and the future of our state. Dr. Megdal explains that our water crisis will not be solved by any one action. It will take a multi-faceted approach beginning with all of us being informed – knowing where our water comes from, knowing who makes water policies and what those policies are, and what we can do in our daily lives to conserve water.

The University of Arizona has welcomed its largest and most diverse class in university history, which also includes a record number of students from Arizona. About 9,300 first-year students, representing all 50 U.S. states and 45 countries, started classes this week.

The University of Arizona earned recognition for its quality of life, intramural sports programs, health services, student government participation and more.

The CyberApolis platform, designed in the College of Applied Science and Technology, is a secure training ground where students can hone their cybersecurity skills.

Researchers have found that the bees, which cut bits of leaves for their nests, prefer leaves that harbor the common mold Aspergillus, which may help enhance the insects' health and survival.

Nearly half of career firefighters report short sleep and poor sleep quality. With a $4 million grant, UArizona researchers are working to identify key factors for implementing workplace sleep coaching for firefighters.

Microbes do a lot under the soil surface that can't be seen with the naked eye, but even tiny soil microbes are feeling the stress of hotter and drier conditions. These microbes release more volatile organic compounds into the atmosphere in response to drought stress, a new study conducted at the Biosphere 2 rainforest finds.

A new image of the massive El Gordo galaxy cluster, taken by NASA's James Webb Space Telescope, shows 62 distorted galaxies behind the cluster.

Is it true that lightning never strikes twice? What is dry lightning? And when should you head indoors during a storm? Climate science specialist Mike Crimmins shares some shocking truths about lightning and thunderstorms.