Research

Using observations of the nearby elliptical galaxy Centaurus A, a team of astronomers found an unprecedented number of possible globular clusters – old, dense groups of thousands of stars that all formed at the same time.

Most scientists researching California's extreme weather have focused their investigations on the last decade. But new UArizona research finds that an increasing trend in extreme weather began half a century ago.

Researchers have identified the first signature of a magnetic field surrounding a planet outside of our solar system. Earth's magnetic field acts as a shield against energetic particles from the sun known as the solar wind. Magnetic fields could play similar roles on other planets.

The NIH RECOVER Initiative aims to identify risks contributing to long COVID, and approaches for treatment and prevention.

To paint a clearer picture of how global climate change affects Earth's ecosystems, conducted an unparalleled experiment: forcing the world's only enclosed rainforest – housed in Biosphere 2 – through a four-month-long controlled drought and recovery.

As the holidays near, members of the Alliance for Vaccine Literacy offer tips for navigating emotionally fraught conversations with vaccine-hesitant friends and family.

Researchers from the UArizona College of Medicine – Tucson found that the bacterial lysate OM-85 blocked SARS-CoV-2 infection by decreasing the ability of the coronavirus to bind to the lung cell surface receptor ACE2.

While physical activity benefits brain health in low-pollution areas, physical activity in areas with the most pollution does not confer the same benefits, a new study finds.

A University of Arizona Health Sciences-led research team received $7.16 million in federal funding to study how to better control severe asthma and determine why sufferers are less likely to contract COVID-19, influenza and rhinovirus.