Researchers studying prostate cancer have found introducing the disease in mice does not always produce accurate results.

Researchers are investigating ways to use waste from fossil fuels to create a new class of advanced plastics. University of Arizona chemistry professor Jeff Pyun talks about how scientists are changing the way companies are thinking about plastic production. He will be the final speaker for the College of Science free lecture series next Wednesday.

The University of Arizona-backed James Webb Space Telescope has opened new insight about planets outside our solar system. UA planetary scientist Sara Moran reveals the latest knowledge about exoplanets and the bizarre materials that make up their atmospheres. Dr. Moran is one of the featured presenters in the 2024 College of Science lecture series.

Each ring on a tree stump can mark a complete cycle of the seasons, dating back thousands of years. University of Arizona researcher Charlotte Pearson talks about how trees have recorded events through time, from floods to solar storms. She will give a talk on the subject next Wednesday at the College of Science free lecture series.

Scientists began developing theories about black holes more than a hundred years ago. University of Arizona professor Sam Gralla explains why the existence of black holes continues to raise questions about the basic concepts of physics. He will be the leadoff speaker for this year's College of Science lecture series next week.

Scientists began developing theories about black holes more than a hundred years ago.

An astronomer in Europe discovered an asteroid last weekend only hours before it burned up in the atmosphere near Berlin.

Animals are filling a growing need in the field of therapy and service work. University of Arizona veterinary medicine researcher Maggie O'Haire notes it isn't always dogs who are best suited to help people with physical disabilities and mental stress.

Treatments for COVID-19 are effective, but it's better if you can avoid getting the coronavirus in the first place. University of Arizona epidemiologist Kacey Ernst discusses the challenge of keeping people aware of vaccinations against COVID and other infectious diseases.

University of Arizona forestry expert Don Falk talks about how woodlands might adapt to changes in climate.