The presence of Colorado River sediments in this region suggests that the river deposited water and sediment into a large lake east of the modern Grand Canyon, forming a delta ecosystem before eventually overflowing and beginning to carve the canyon between 6 and 5 million years ago.

Established in 1925, the Guggenheim Fellowship supports artists, scholars, and scientists to pursue independent work "under the freest possible conditions." Since its founding, the Foundation has awarded nearly $450 million in fellowships to more than 19,000 individuals, among them Nobel laureates, Pulitzer Prize winners, and recipients of the Fields Medal.

Record volcanic eruptions in the Andes could explain the mysterious death of dozens of whales about 5 to 8 million years ago, according to a study led by University of Arizona researchers.

The awards honor some of the college’s most exceptional faculty and staff, recognizing excellence in teaching, research, mentoring, outreach and service.

The Society’s fellowship program recognizes the many ways in which its members contribute to ecological research, communication, education, management and policy.

Professors Elaine Romero and Erika Hamden joined more than 200 people named Guggenheim Fellows by the John Simon Guggenheim Memorial Foundation.

The BS in Science Law builds a strong foundation in both disciplines through coursework and labs in biology, chemistry and physics, alongside undergraduate law courses.

Known for guiding students from application through graduation, Mendoza helps them navigate challenges like financial strain, academic setbacks and personal crises. Drawing from her own nontraditional path as a first-generation college student, she prioritizes empathy and access, working across departments to find solutions that keep students on track.

Several U of A graduate programs across many fields of study have once again been recognized as among the best in the United States in U.S. News & World Report's Best Graduate Schools rankings.

Meet the pair of Franke Honors College students developing a low-cost hearing aid to provide under-served communities around the world with access to life-changing health care.