Los Alamos National Laboratory
@LosAlamosNatLab

Meeting national security challenges with #science and #technology. (Note: RTs and MTs do not imply endorsements.)

 Los Alamos, New Mexico
lanl.gov/
Joined May 2010
4,565 Photos and videos
Hey, Los Alamos National Laboratory, what were you like in the 1960s? Step into the decade that brought a presidential visit, groundbreaking discoveries and scientific innovation. #losalamosnationallaboratory #losalamos
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What does the Arctic sound like underwater — and what can those sounds tell us? Los Alamos scientists analyzed seven years of underwater recordings to establish one of the first long-term acoustic baselines for the region. What can the sounds reveal? 👉 ow.ly/CYlh50ZQAl6

Los Alamos maps Arctic sounds to strengthen monitoring | LANL

Discover how Los Alamos scientists mapped the Arctic’s underwater soundscape to improve detection of earthquakes, detonations and ship traffic.

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It’s awards season at Los Alamos! We’re proud to celebrate the exceptional people whose research, leadership and expertise strengthen our mission. Congratulations to all of this year’s honorees! Learn more about their accomplishments: ow.ly/qq8150ZPPYj
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From the streets of downtown Los Alamos to the canyons and mountains beyond, the onset of autumn in Northern New Mexico means stunning colors are on their way: brilliant blue skies, cottonwoods crowned with gold and dramatic ombre mesas!
Bronze statue of Oppenheimer wearing a hat and glasses, standing outdoors with green and yellow trees in the background under a clear blue sky.

ALT Bronze statue of Oppenheimer wearing a hat and glasses, standing outdoors with green and yellow trees in the background under a clear blue sky.

Flat-topped mountain with rugged cliffs behind a forest of trees showing autumn colors under a clear sky.

ALT Flat-topped mountain with rugged cliffs behind a forest of trees showing autumn colors under a clear sky.

Golden autumn trees line the edge of a gently flowing river under a clear blue sky.

ALT Golden autumn trees line the edge of a gently flowing river under a clear blue sky.

Streetlamp with a banner stands beside a tree showing early autumn colors along a sunny sidewalk.

ALT Streetlamp with a banner stands beside a tree showing early autumn colors along a sunny sidewalk.

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Legacy and Innovation: Supercomputing has evolved dramatically since 1952. 🖥️ The Lab built MANIAC, an early computer; acquired the Cray-1, the first successful vector supercomputer; and now builds Mission and Vision, next-gen systems advancing computational science.
Two women operate the MANIAC supercomputer with large panels of wiring and switches in a spacious industrial room.

ALT Two women operate the MANIAC supercomputer with large panels of wiring and switches in a spacious industrial room.

Cray-1 supercomputer with open panels revealing internal components in a clean, tiled server room.

ALT Cray-1 supercomputer with open panels revealing internal components in a clean, tiled server room.

Mission computing system decorated with blue and orange shapes, well-lit server room.

ALT Mission computing system decorated with blue and orange shapes, well-lit server room.

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A hidden tunnel lay beneath Los Alamos … and there, 70 years ago, scientists hunted for the elusive “ghost particle.” See how going underground helped pave the way for the discovery of the neutrino — and changed particle physics forever. #Freedom250 #DOE
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More than 2,000 Northern New Mexico students receive back-to-school supplies through an employee-led initiative.🎒 Lab employees donated more than $46,000 in backpacks and supplies for Northern New Mexico students at 16 schools and districts. 👉 ow.ly/uWt650ZIjm2

Employees provide school supplies for Northern New Mexico kids | LANL

Los Alamos National Laboratory’s 2026 Back to School Drive made a meaningful difference for 2,000 elementary and middle school students across Northern New Mexico.

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Scientists are unraveling the role of non-coding RNA, the "dark matter" of the genome. 🧬 Many questions remain about RNA's role in human biology — the lesser-understood companion to DNA. Read more 👉 ow.ly/CTyW50ZGi3y

Scientists map the shape of RNA that can shut down genes | LANL

Researchers decode self-cleaving RNA structures in mammals, using supercomputers and AI to unlock gene regulation mysteries and therapy potential.

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How much do you know about the Manhattan Project? Lab historian Elliott Shultz shares five facts that might surprise you. Which one surprised you most? Tell us in the comments.
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Today marks 25 years since the Sept. 11 attacks. We honor those we lost and the first responders and everyday heroes who met tragedy with courage. Our flag flies half-staff over a memorial incorporating Pentagon steel and bearing the names of those who died at the Pentagon.
Three military personnel salute a half-mast American flag at sunrise with a modern glass building in the background.

ALT Three military personnel salute a half-mast American flag at sunrise with a modern glass building in the background.

A modern glass building at Los Alamos National Laboratory with a memorial plaque dedicated to the Pentagon victims of September 11, 2001, in front.

ALT A modern glass building at Los Alamos National Laboratory with a memorial plaque dedicated to the Pentagon victims of September 11, 2001, in front.

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The Los Alamos Neutron Science Center (LANSCE) Accelerator Modernization Project has received Critical Decision-1 approval from @NNSANews, a key milestone in modernizing the Lab's critical facility. Learn more 👉 ow.ly/wqB150ZM3Bu

LAMP milestone approval paves way for LANSCE modernization | LANL

LANSCE's LAMP earns key NNSA approval, moving Los Alamos into design phase to modernize aging accelerator systems vital to national security science.

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We're heading to the NM State Fair 🎡 Step into the Challenge Tomorrow trailers for interactive science experiences, then visit the recruiting booth to explore exciting career opportunities right here in New Mexico. Visit us — Sept. 15-19, from 10 a.m. to 8 p.m. inside Gate 1!
Los Alamos National Laboratory's interactive Challenge Tomorrow Mission Ops exhibit at the New Mexico State Fair.

ALT Los Alamos National Laboratory's interactive Challenge Tomorrow Mission Ops exhibit at the New Mexico State Fair.

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Seven Lab-led technologies won 2026 R&D Awards. 🏆 The R&D 100 Awards honor the year's 100 most innovative technologies from industry, academia and government research organizations. Learn more about the winners 👉 ow.ly/BKit50ZLnAY

7 Los Alamos technologies win R&D 100 Awards | LANL

Los Alamos National Laboratory wins seven 2026 R&D 100 Awards for breakthroughs in chemistry, robotics, nuclear tech and sensing innovation.

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Last week, we welcomed @NNSANews Administrator Brandon Williams and Dr. Sebastian Gorka of the National Security Council. They met with Lab leaders and employees and toured key facilities supporting the nation’s nuclear deterrent and global security.
NNSA Administrator Brandon Williams and Los Alamos National Laboratory Director Thom Mason walking outdoors with mountains and trees in the background on a partly cloudy day.

ALT NNSA Administrator Brandon Williams and Los Alamos National Laboratory Director Thom Mason walking outdoors with mountains and trees in the background on a partly cloudy day.

Dr. Sebastian Gorka and others discussing complex industrial machinery inside a laboratory setting.

ALT Dr. Sebastian Gorka and others discussing complex industrial machinery inside a laboratory setting.

Dr. Sebastian Gorka and three other men in suits walking in front of large industrial pressure vessels painted red, orange and white against a plain wall.

ALT Dr. Sebastian Gorka and three other men in suits walking in front of large industrial pressure vessels painted red, orange and white against a plain wall.

NNSA Administrator Brandon Williams and Los Alamos National Laboratory Director Thom Mason talking with a group of professionals in a modern office.

ALT NNSA Administrator Brandon Williams and Los Alamos National Laboratory Director Thom Mason talking with a group of professionals in a modern office.

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National Wildlife Day is an opportunity to honor the wildlife that shapes our landscapes and communities. These prairie dogs remind us of the incredible species that make Northern New Mexico special. 🐾 📷 Wes Even, Center Lead at the Center for Scientific Computing
Two prairie dogs standing close together in a grassy field with purple and green hues.

ALT Two prairie dogs standing close together in a grassy field with purple and green hues.

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💡What's new in science at Los Alamos? Our latest STE Highlights are here, featuring advancements in 3-D imaging, disease detection and new ways to control light — plus an Award of Excellence. Explore the full August STE Highlights 👇 ow.ly/PFNS50ZHKly

STE Highlights | Los Alamos National Laboratory

Meet award-winning scientists and explore why our science, technology, and engineering research matters.

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Sunrises in Northern New Mexico signal new opportunities. 🌄 At the Lab, each day brings progress on our national security mission — work that happens in an environment cultivating professional growth and delivering a high quality of life for those keeping our nation safe.
Vibrant orange and red clouds fill the sky above a silhouetted modern building at sunrise.

ALT Vibrant orange and red clouds fill the sky above a silhouetted modern building at sunrise.

Sunrise with red clouds illuminating the sky behind a sleek, dark glass skyscraper.

ALT Sunrise with red clouds illuminating the sky behind a sleek, dark glass skyscraper.

Golden sunrise reflecting off the curved glass facade of a modern building against a mountain backdrop.

ALT Golden sunrise reflecting off the curved glass facade of a modern building against a mountain backdrop.

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As antibiotic resistance grows, Lab scientists are turning to bacteriophage therapy. 👨‍🔬 Bacteriophages are viruses that target and destroy bacteria. Scientists use mathematical models to optimize phage compositions and improve treatment outcomes. 👉 ow.ly/Zs1W50ZGbwG

Bacteriophage therapy modeling offers hope for drug-resistant bacterial infections | LANL

LANL researchers model phage therapy to improve treatment timing and cocktail diversity for drug-resistant bacterial infections.

lanl.gov
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Preparedness starts with practice. 🦺 The Lab recently conducted a full-scale emergency exercise to practice wildfire response capabilities with staff and local, tribal, state and federal partner agencies. Read more 👉 ow.ly/ekUl50ZFmbk
Two men in safety gear examining detailed maps and documents spread across a conference table in an office setting.

ALT Two men in safety gear examining detailed maps and documents spread across a conference table in an office setting.

Team of emergency responders coordinating at a command center with multiple computer monitors and communication devices.

ALT Team of emergency responders coordinating at a command center with multiple computer monitors and communication devices.

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Postdoctoral researchers are essential to developing solutions for national security challenges at the Lab. The National Postdoctoral Association named the Lab as one of 12 institutions honored in its first Institutional Policy Awards. 👉 ow.ly/N3Lf50ZAZMR

Laboratory postdoctoral program earns excellence award | LANL

Los Alamos Lab earns top postdoctoral award from National Postdoctoral Association. 100+ research opportunities in AI, quantum computing and more.

lanl.gov
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