July 22, 2025 Tiny fossil suggests spiders and their relatives originated in the sea Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may have first evolved in the ocean rather than on land, challenging conventional wisdom.
July 15, 2025 Did a meteor impact trigger a landslide in the Grand Canyon? The meteor impact that created one of Arizona's most recognizable landmarks and the wood and sediments found in a cave in the Grand Canyon are strikingly similar in age. A new study involving a U of A dendrochronologist suggests they could be related.
July 9, 2025 An emissary from interstellar space Discovered only a week ago, comet 3I/ATLAS is only the third known visitor from outside the solar system. U of A astronomer Carson Fuls explains what makes the comet special – and why we can only guess where it came from.
July 7, 2025 Expertise abroad: Seven U of A faculty named 2025 Fulbright Scholars More than 300 Fulbright Scholars have represented the University of Arizona at institutions around the world since 1954.
June 24, 2025 U of A astronomers celebrate first look at the universe from the Vera C. Rubin Observatory The first images from the Vera C. Rubin Observatory mark a proud milestone for the University of Arizona, whose Richard F. Caris Mirror Lab is the only facility in the world capable of crafting the telescope's unique mirror.
June 23, 2025 Giant Magellan Telescope advances to National Science Foundation final design phase Built with mirrors manufactured by the University of Arizona, one of the world's largest optical telescopes clears key milestone toward U.S. federal construction support.
June 17, 2025 U of A earns top marks in space science, geosciences, water resources in new US News global ranking The U of A earned its best ranking in the space science category, rising four spots to No. 4 globally and No. 2 among U.S. public universities.
June 13, 2025 Revealing the lives of planet-forming disks New observations of 30 planet-forming disks – the birthplaces of planets around stars – reveal in greater detail than ever how gas and dust behave over time and shape the evolution of exoplanet systems.
May 30, 2025 Six teams selected as awardees of the inaugural University of Arizona Big Idea Challenge The Office of Research and Partnerships will provide strategic guidance and seed funding to support transformative research that seeks novel solutions to grand challenges.
May 22, 2025 Percolating clues: A new way to build planetary cores A U of A-led study reveals a surprising way planetary cores formed. The findings could reshape how scientists understand the early evolution of rocky planets like Mars.
