Strengthened by the Catholic intellectual tradition, we confront humanity’s challenges by fostering peace, working for justice and leading with love. With more than 8,000 students from 75 countries and 44 states, USD is the youngest independent institution on the U.S. News & World Report list of top 100 universities in the United States. USD’s eight academic divisions include the College of Arts and Sciences, the Knauss School of Business, the Shiley-Marcos School of Engineering, the School of Law, the School of Leadership and Education Sciences, the Hahn School of Nursing and Health Science, the Joan B. Kroc School of Peace Studies, and the Division of Professional and Continuing Education. In 2021, USD was named a “Laudato Si’ University” by the Vatican with a seven-year commitment to address humanity’s urgent challenges by working together to take care of our common home.
Sean Campbell and Topher McDougal talk about their investigation into the flow of guns from the U.S. to Mexico on The Conversation Weekly podcast.
The Villa Purificacion municipality of Jalisco, Mexico overlaid by a helicopter and .50-caliber rifle.
Jesús Zavalza/Wikimedia Commons, Tim Felce (Airwolfhound)/Wikimedia, CC BY-SA; MathKnight and Zachi Evenor/Wikimedia Commons
A yearlong investigation shows the depth of the gun trafficking problem and how ATF oversight of gun dealers can reduce trafficking to Mexico – when the agency has resources.
Some of the same people caught illegally trafficking firearms across the border to Mexico are also selling illicit drugs, including fentanyl, meth and heroin.
A gun shop display includes a variety of assault-style rifles.
AP Photo/Andrew Selsky
Independent gun dealers supplied 83% of crime guns seized in Mexico and traced back to purchases in the US. Chain stores supplied the other 17%.
Liliane Lelaidier-Marton stands in front of the kind of car her parents were forced into in Drancy, France, when deported to their deaths.
Sarah Federman
A physicist explains that the short answer is both … and neither.
Zoos provide animals like these ring-tailed lemurs at England’s Bristol Zoo Gardens with toys and special foods to enrich their activities.
Matt Cardy/Getty Images
Animals can be born with genetic or developmental issues that make it hard for them to live normal lives. They also can develop mental health problems in response to conditions around them.
After the fires, what comes next for residents?
Zoe Meyers/AFP via Getty Images
It starts with better building policies that recognize future risks, but there are many other important steps.
An altar set at the U.S.-Mexico border wall in Baja, Calif., in November 2024 honors migrants who died trying to reach the U.S.
Guillermo Arias/AFP via Getty Images
Drowning, blunt force trauma and exposure to extreme weather are among the risks that migrants face making the dangerous journey across the US-Mexico border.
Asylum seekers wait at Catholic Charities in McAllen, Texas, for humanitarian aid on Jan. 18, 2025.
Associated Press/Eric Gay
Les lois sur le bien-être animal ne protègent pas les invertébrés, mais il est prouvé que certains d'entre eux, comme les pieuvres, sont aussi intelligents que de nombreux mammifères.
A common octopus (Octopus vulgaris) off Croatia in the Mediterranean Sea.
Reinhard Dirscherl/ullstein bild via Getty Images
Animal welfare laws don’t protect invertebrates, but there’s evidence that some, such as octopuses, are as intelligent as many mammals – even if their cognition takes very different forms.
Mob rule is not conducive to representative democracy.
Nosyrevy/iStock via Getty
Researchers surveyed hundreds of elected officials in three Southern California counties. They found 2 in 3 respondents had been threatened or abused – and that many worried for their safety.
Students who are part of the Crossing the Divide course arrive in Washington, D.C., in May 2024.
Tony Campos
Political polarization is at an all-time high. Students part of this University of San Diego Kroc School of Peace Studies course examine up close the country’s divides during their journey.
Native Americans taking part in the Longest Walk, heading from San Francisco to Washington, D.C., march past the state Capitol in Harrisburg, Pa., in 1978.
AP Photo/Prouser
The politics of delivering aid in war zones are messy, the ethics fraught and the logistics daunting. But getting everything right is essential − and in this instance could save many Gazans’ lives.