MIT Professor and Nuclear Scientist Nuno Loureiro Shot Dead at Brookline Home; Motive Unknown

The Massachusetts Institute of Technology (MIT) community is mourning the death of renowned nuclear scientist and professor Nuno F. G. Loureiro, who was shot multiple times at his Brookline, Massachusetts home, authorities confirmed.

Loureiro, 47, the director of MIT’s Plasma Science and Fusion Center, was found suffering from gunshot wounds Monday night after police responded to a call at his residence in the affluent Boston suburb. He was transported to a hospital, where he was pronounced dead Tuesday morning, according to the Norfolk County District Attorney’s Office.

Investigators said the shooting remains under active investigation, but no suspect or motive has been identified, and no arrests have been announced.

A neighbor told The Boston Globe that gunshots were heard before Loureiro was discovered lying in the foyer of the building. The neighbor said Loureiro’s wife was present and helped call for emergency assistance.

“This family is so amazing,” the neighbor said. “I can’t imagine anyone wanting to kill him.”

MIT President Sally Kornbluth issued a university-wide message expressing deep sorrow over the loss, calling the killing “shocking” and extending condolences to Loureiro’s wife and loved ones.

“This shocking loss for our community comes in a period of disturbing violence in many other places,” Kornbluth wrote, while encouraging students and staff to seek support resources.

Born in central Portugal, Loureiro aspired to be a scientist from a young age. He earned degrees in physics from Instituto Superior Técnico in Lisbon and Imperial College London, followed by postdoctoral research at Princeton University’s Plasma Physics Laboratory and the UK’s Culham Centre for Fusion Energy.

Before joining MIT in 2016, Loureiro served as a principal investigator at Portugal’s institute for plasmas and nuclear fusion. He was named deputy director of MIT’s Plasma Science and Fusion Center in 2022 and became its director in May 2024.

Earlier this year, Loureiro received a prestigious early-career award for scientists and engineers, one of fewer than 400 issued nationally.

Upon his appointment as director, Loureiro described fusion energy as a defining challenge for humanity.

“Fusion is a hard problem, but it can be solved with resolve and ingenuity,” he said. “Fusion energy will change the course of human history.”

Portugal’s foreign affairs minister publicly acknowledged Loureiro’s death during a government session Tuesday, underscoring the international impact of his work.

Authorities said the investigation into Loureiro’s death is ongoing, and additional information will be released as it becomes available.