Northeast
Who was Nuno Loureiro? MIT professor gunned down in apartment near university
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BROOKLINE, Mass. — A world-renowned Massachusetts Institute of Technology (MIT) professor and fusion-energy physicist was shot and killed inside his home earlier this week, an attack that has rattled one of the country’s most elite scientific communities.
Nuno F. Gomes Loureiro, 47, was a professor of nuclear science and engineering and the director of MIT’s Plasma Science and Fusion Center. Loureiro was a renowned figure in fusion-energy research, a field that seeks to recreate the power of the sun inside fusion reactors on Earth. His theories and models helped guide major fusion experiments in the United States and Europe.
Loureiro was rushed to a hospital with “apparent gunshot wounds” Monday evening and pronounced dead Tuesday morning, according to the Norfolk District Attorney’s Office in Massachusetts. A homicide investigation is underway.
NEIGHBORS OF SLAIN MIT PROFESSOR STUNNED BY KILLING
Undated file photo of Nuno Loureiro, a professor of nuclear science and engineering and of physics at MIT. (Jake Belcher for MIT)
No suspect has been identified and the motive for the killing is still unknown.
The shooting in Brookline occurred two days after an attack at Brown University left two dead and nine injured on Saturday.
While investigators in both cases, at prestigious universities less than 50 miles apart, are sharing intelligence, the special agent in charge of Boston’s FBI office, Ted Docks, said at a news briefing Tuesday that authorities don’t think they’re connected.
Originally from Portugal, Loureiro studied in his home country, in the United Kingdom and in the United States, where he researched topics including the phenomenon behind solar flares. He also focused on plasma — a super-hot form of matter found in stars and in experimental fusion reactors.
Fusion is the process that makes the sun burn and Loureiro’s work explored how that power could be bottled on Earth and controlled inside those reactors. If fusion ever becomes a real source of cheap, clean electricity, it will rely on the kind of physics he helped explain.
MIT Professor Nuno F.G. Loureiro speaks in an undated photo. (rafaelmgrossi via X)
“Nuno was not only a brilliant scientist, he was a brilliant person,” Dennis Whyte, a fellow MIT professor, said in an obituary posted by the university. “He shone a bright light as a mentor, friend, teacher, colleague and leader and was universally admired for his articulate, compassionate manner. His loss is immeasurable to our community at the PSFC, NSE and MIT, and around the entire fusion and plasma research world.”
Allen Taylor, a Tufts University professor of biomechanical and molecular nutrition who lives in the area, told Fox News Digital outside Loureiro’s home on Wednesday that the shooting rocked the tight-knit community, which is also home to several Brown University students, where another shooting claimed two lives over the weekend.
“I’m concerned because he was a human being, first, and secondly, because he’s a scientist, and I know how much we invest in training people so they can make major contributions to our society, and then when they’re murdered, it’s a tremendous compromise to our community and to the world at large,” Taylor said.
MIT PROFESSOR SHOT, KILLED IN BROOKLINE HOME: WHAT WE KNOW ABOUT BOSTON-AREA ATTACK
The Brookline apartment building where MIT professor Nuno F. G. Loureiro was shot earlier this week is seen Wednesday, Dec. 17, 2025, as investigators continue to search for leads in the homicide case. (Michael Dorgan/Fox News Digital)
Loureiro obtained an undergraduate degree from the Instituto Superior Tecnico in Lisbon before getting a Ph.D. in physics at Imperial College London.
He went on to do post-doctoral work at Princeton University in New Jersey and UKAEA Culham Centre for Fusion Energy in the U.K. and returned to research in Lisbon before joining MIT’s faculty in 2016. He became a full professor in 2021 and was later named the director of the school’s Plasma Science and Fusion Center.
His research has earned him a half-dozen awards since 2015, most recently honored with the U.S. government’s Presidential Early Career Award for Scientists and Engineers, which he received earlier this year.
MIT PROFESSOR SHOT DEAD IN BROOKLINE HOME, MASSACHUSETTS STATE POLICE LAUNCH HOMICIDE INVESTIGATION
A crowd of people holding candles gather outside the home of Massachusetts Institute of Technology professor Nuno F.G. Loureiro in Brookline, Mass., Tuesday, Dec. 16, 2025. (AP Photo/Leah Willingham)
In a 2019 interview, Loureiro likened complicated science to an art form.
“When we stimulate theoretically inclined minds by framing plasma physics and fusion challenges as beautiful theoretical physics problems, we bring into the game incredibly brilliant students — people who we want to attract to fusion development,” he said.
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In an earlier lecture on accepting and overcoming failure, he urged students to set their goals high and not be afraid of falling short.
“If you’re not failing all the time, you’re aiming too low,” he said.
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Maine
3 ways to enjoy the winter solstice in Maine
The shortest day of the year, also known as the winter solstice, is Sunday. Maine ranks among five states with the shortest winter daylight, with about 8.5 hours. Averaging day length across the year, Maine is also near the bottom, with roughly 11.5 hours, second only to Alaska.
Day length varies strongly with latitude, even within Maine. On Sunday, Fort Kent will see almost a half hour less daylight than Portland, with 8 hours, 28 minutes compared with 8 hours, 56 minutes.
Why acknowledge the solstice?
The winter solstice serves as both a scientific marker of Earth’s orbit and a cultural symbol of the cycle of darkness and light. It is a time to look forward to longer days and opportunities for outdoor recreation, including winter-specific activities.
Watch the sunrise or sunset

With such a short day, take time to appreciate the daylight we do have. Head to a scenic spot near Bangor, such as Black Cap Mountain or the Waterfront, or for a longer drive, visit Bass Harbor Head Light in Acadia National Park or Mount Battie in Camden. Watch the sun rise or set over the winter landscape. Cross-country ski or snowshoe these areas to make the outing even more exciting. Rent equipment if needed, and carry a headlamp. Don’t let the waning light shorten your plans.
Visit holiday-themed lights
The Stillwater River Trail in Orono features a free light display with tunnels and wrapped trees, open nightly from 4 p.m. to 9 p.m.

For those willing to travel farther, the Gardens Aglow display at Coastal Maine Botanical Gardens in Boothbay lights up nature-themed paths with thousands of beautiful lights.
L.L. Bean in Freeport is always decorated with lights and holiday music, and the Cape Neddick Light in York has lights outlining its tower, keeper’s house and surrounding buildings.

Make winter crafts
After the sun sets, residents can mark the winter solstice with indoor activities such as creating seasonal crafts using Maine materials.


A handcrafted Christmas wreath made with Maine balsam fir brings natural holiday cheer to any home, and can be embellished with other natural trimmings like turkey feathers. Credit: Susan Bard / BDN
Options include wreaths and simple candle holders made from evergreens, pinecones and berries.
Many Maine land trusts allow public access to conserved forests and trails, providing materials for crafts with a permit. Creating your own wreaths and decorations is not only rewarding; they also make great gifts and are traditions worth starting.
Massachusetts
Deadline nears for Massachusetts Health Connector enrollment
SPRINGFIELD — With just days left before the Dec. 23 deadline, state and local leaders are urging uninsured residents to enroll in health coverage through the Massachusetts Health Connector to ensure they’re protected in the new year. The cutoff applies to anyone who wants coverage starting Jan. 1.
The Health Connector — the state’s official health insurance marketplace — is the only place residents can access financial assistance and avoid misleading “junk” policies that often appear in online searches, according to a statement from the agency.
Officials say the enrollment period is especially critical for people without job-based insurance, gig workers, newcomers to the state and anyone seeking affordable, comprehensive health plans.
At a press conference Wednesday at Caring Health Center’s Tania M. Barber Learning Institute in Springfield, health leaders emphasized that most people who sign up through the Connector qualify for help paying premiums through its ConnectorCare program.
Audrey Morse Gasteier, executive director of the Massachusetts Health Connector, said the state has spent nearly two decades committed to ensuring access to health care and offering the most affordable coverage possible for everyone.
”And despite the federal challenges, we continue to do everything we can to offer coverage to everyone who needs it. Now is the time for people who don’t have coverage to come in, apply, and find out what kind of plan for which they qualify,” she said.
Open enrollment also gives current members a chance to review their coverage, compare options and make changes.
Recent changes in federal policy have caused shifts in coverage and higher premiums for many Massachusetts residents, creating uncertainty and concern, said Cristina Huebner Torres, chief executive vice president and strategy and research officer at Caring Health Center.
“During times like these, trusted, local support becomes even more essential, and our Navigators have been on the very front lines, helping residents understand their options, maintain coverage, and navigate a complex and evolving system,” Huebner Torres said.
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