Striking photos of the Ukraine war's front-line trenches echo scenes from the World Wars

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TK
Trench warfare is far from obsolete — and these photos show its enduring presence.

John Moore/Getty Images/FPG/Hulton Archive/Getty Images

How bricks, a screwdriver, and a 'demon core' of radioactive material killed 2 Manhattan Project scientists

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image of Slotin using a screwdriver to hold open the spheres around the demon core
A recreation of the experiment shows how Louis Slotin used a screwdriver to hold open metallic half-spheres around the "demon core."

Los Alamos National Laboratory

The beauty and terror of Oppenheimer's first-ever nuclear test explosion, in the words of those who witnessed it

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Trinity Test
The mushroom cloud of the first atomic explosion at Trinity Test Site in New Mexico on July 16, 1945.

AP Photo/File

Albert Einstein wrote to the US pleading with the government to build an atomic bomb 80 years ago. Here's what he said.

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Albert Einstein Atomic Bomb
A composite image showing Albert Einstein around 1939 and nuclear explosion in French Polynesia in October 1971.

MPI/Getty Images/Michel BARET/Gamma-Rapho via Getty Images

Ukrainians looking for missing troops are finding Nazi bullets, World War II-era trenches, and the bones of German soldiers on the battlefield

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The level of water in the Kakhovka Reservoir continues to decrease after the Khakhovka Dam was blown up by Russian occupiers in Nikopol, Dnipropetrovsk Region, central Ukraine.
Draining waters from the Kakhovka reservoir last month are revealing artifacts from bloody fighting almost 80 years ago.

Dmytro Smolienko/Ukrinform/Future Publishing via Getty Images

Putin's Victory Day speech was as extreme as ever, claiming a 'real war' was being waged against Russia, even as his military had a measly showing at the celebration

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Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow on May 9, 2023.
Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow on May 9, 2023.

Gavriil Grigorov/Sputnik/AFP/Getty Images

Roman Emperor Caligula's massive party ships were not burned by the Nazis during World War II, researchers say. A US artillery unit was to blame.

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Left, Historical luxury ships — Liebig collectors' card, 1935. Right - Nemi ships built by Caligula, 1st century AD.
Left, Artist impressions of Caligula's luxury Nemi ships — Liebig collectors' card, 1935. Right - Nemi ships built by Caligula, 1st century AD, raised under during Mussolini's dictatorship in the 1930s.

Culture Club/Bridgeman via Getty Images, DE AGOSTINI PICTURE LIBRARY / Getty images

A fighter plane designed for the US Navy during World War II was still taking down jet fighters over Vietnam 20 years later

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Navy A-1H Skyraider
A US Navy A-1H Skyraider over the Western Pacific in 1966.

US Navy

A fort in Montenegro that was a concentration camp during WWII was converted into a luxury resort starting at 500 euros a night

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The fort on Mamula Island at sunset. The sun is seen in the background behind the fort.
Mamula Island at sunset.

Mark Anthony Fox/ Stromberger PF/Supplied

Moscow is trying to play it cool, but its military moves hint at growing concern over NATO's newest member

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A border guard officer walks along a fence marking the boundary area between Finland and Russia.
A border guard walks along a fence marking the boundary between Finland and Russia near Imatra, Finland in November 2022.

ALESSANDRO RAMPAZZO/AFP via Getty Images

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