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Summer Hours Are Here! Starting Thursday, May 15, we’re extending our hours so you can explore more history, more exhibits, and more atomic secrets. Plan your visit and make the most of those longer days! For more information visit atomicmuseum.vegas

For its 20th anniversary, the Atomic Museum in #LasVegas has uncovered the secrets behind #MissAtomicBomb and the #nuclearage laweekly.com/the-atomic-mus…

Tested in 1961, the Tory II-A was part of Project Pluto—an ambitious Cold War effort to power cruise missiles with nuclear ramjets. It ran for seconds but proved viable. A larger version, Tory II-B, soon followed, pushing the limits of nuclear propulsion.

In 1955, the Soviet Union tested its first two-stage hydrogen bomb, RDS-37 (Joe 6), at Semipalatinsk, Kazakhstan. Dropped from a Tupolev Tu-16 and detonated at 1,550 meters, the blast had a yield of 1.6 megatons.

In 1950s Las Vegas, early risers and night owls alike could witness something explosive on the horizon—atomic tests lighting up the desert sky. Credit: Las Vegas News Bureau Collection, LVCVA Archive. #LVCVAarchive #LVNB #LVCVA #visitlasvegas

On May 26, 1972, Nixon and Brezhnev signed the SALT agreements in Moscow, including the ABM Treaty and limits on missile systems—marking the first major step in U.S.–Soviet nuclear arms control.

Calling all history buffs and board game fans! Did you know you can score a WWII-themed Monopoly game right here at the Atomic Museum gift shop? 🛍️ Take home this one-of-a-kind collectible and bring a piece of history to game night!

From May 23 to June 30, 1978, 145 nations met in New York for the United Nations Special Session on Disarmament. It was the first time since 1932 that nearly every country came together to discuss the full scope of global disarmament issues.

Step into a blast from the past! 💥 Our fan-favorite Pop Culture display takes you back through the decades with Atomic Age-themed iconic gadgets, must-have gifts, and nostalgic treasures that defined generations.

After 20+ years of research, Atomic Museum historian Robert Friedrichs uncovered the true identity of “Miss Atomic Bomb”: Anna Lee Mahoney. A new exhibit opens June 13 to share her story and legacy. Photo Credit: AP/John Locher Read the full story here: bit.ly/4kKvCah

Captured through the periscope of the USS Carbonero (SS-337), 480 nm ENE of Christmas Island, this stunning image shows the Frigate Bird mushroom cloud from Operation Dominic—a 600-kiloton nuclear test.

As we near 20 years of preserving atomic history, we thank our donors and members for making it all possible. Help us keep the momentum going—donate to our 20th Anniversary Spring Giving Initiative today! 🔗 bit.ly/3SHlF0S

Thank you to everyone who joined our first-ever Community Resource Fair! Nearly 70 attendees connected with amazing organizations. Big thanks to our community partners—you’re what makes Vegas stronger!

On May 25, 1953, a school bus was placed 2,900 feet from ground zero during the Upshot-Knothole Grable nuclear test. The 15-kiloton blast exposed it to intense heat—about half the thermal radiation seen at ground zero in Hiroshima.

Heads up, Atomic explorers! We’ll be closing early on Thursday, June 12 for a private event. Plan your visit accordingly—and thank you for understanding! ⚛️ For tickets and more visit atomicmuseum.vegas

Founded in 1952, Lawrence Livermore National Laboratory has been key to U.S. nuclear science and national security. Working closely with the Nevada Test Site, LLNL has advanced nuclear weapons research, testing, and safety. Credit: Lawrence Livermore National Laboratory

NOW OPEN: Miss Atomic Bomb: Icon of the Atomic Age 💥 After 20+ years of research, Robert Friedrichs uncovered the true identity of Miss Atomic Bomb: Anna Lee Mahoney. See artifacts on loan from the LVCVA Archives. Tickets + more: atomicmuseum.vegas

On Aug. 6, 1945, the B-29 Enola Gay dropped the first atomic bomb used in war—Little Boy—on Hiroshima, killing an estimated 80,000 people. The aircraft was specially modified with upgraded engines and bomb racks for the mission.

Project Rover, led by Los Alamos, aimed to develop nuclear rocket engines during the Cold War. A major milestone was the powerful Phoebus-2A reactor. On display now at the Atomic Museum is the Phoebus Reactor—a remarkable step toward nuclear science.

On July 14, 1962, the 1.65-kiloton “Small Boy” test took place at the Nevada Test Site during Operation Sunbeam (Dominic II). One of four tests in the series, it evaluated tactical nuclear warheads for potential battlefield use.