Kim Jong Un showed Russia his arsenal of nuclear weapons, the newest of which is among North Korea's most dangerous missiles

Tech Insider
In this photo provided by the North Korean government, North Korean leader Kim Jong Un, right, with Russian delegation led by its Defense Minister Sergei Shoigu visits an arms exhibition in Pyongyang, North Korea Wednesday, July 26, 2023, on the occasion of the 70th anniversary of the armistice that halted fighting in the 1950-53 Korean War.
The Hwasong-18, the middle missile pictured here, is a solid-fueled intercontinental ballistic missile, which

The US military once detonated a nuclear bomb directly above the heads of 5 officers

Tech Insider
US military Private First Class Jack Wilson (left, fore) and Sergeant Glenn Poth (right, fore) look at the smoke plume of a nuclear detonation as part of Operation Tumbler-Snapper at the Nevada Proving Grounds, Nevada, early to mid 1952.
The five men weren't required — — to stand under the explosion, which, unlike the one pictured here, would have been in the air, about three miles up.

PhotoQuest/Getty Images

Photo captures Ukrainian troops using grunt robots to plant deadly anti-personnel mines

Tech Insider
unexploded munitions and other explosive devices as members of a demining team of the State Emergency Service of Ukraine clear mines off a field not far from the town of Brovary, northeast of Kyiv, on April 21, 2022, amid Russian invasion of Ukraine.
Unexploded munitions and other explosive devices collected by members of a Ukrainian demining team.

OLEKSII FILIPPOV/AFP via Getty Images

Long after Oppenheimer, the US is still paying benefits to people who were exposed to radiation from nuclear tests

Tech Insider
A billowing white mushroom cloud, mottled with orange, pushes through a layer of clouds during Operation Ivy, the first test of a hydrogen bomb, at Enewetak Atoll in the Marshall Islands.
A mushroom cloud produced by the first test of a hydrogen bomb during Operation Ivy at Enewetak Atoll in the Marshall Islands.

CORBIS/Corbis via Getty Images

British spies are using AI to disrupt Russia's shipments of critical weapons, but the technology will never replace real agents, UK spy chief says

Tech Insider
A Russian AN-124 cargo plane transporting parts of the S-400 air defense system from Russia lands on July 12, 2019 in Ankara, Turkey.
A Russian AN-124 cargo plane transporting parts of the S-400 air defense system from Russia lands on July 12, 2019 in Ankara, Turkey.

Getty Images

Satellite images show scale of Russian defenses ahead of anticipated Ukraine offensive

Tech Insider

Russia has built extensive defenses across occupied parts of Ukraine in anticipation of a counteroffensive. These include anti-tank ditches, "dragon's teeth," and zigzag trenches. Ukraine president Volodymyr Zelenskyy said the "main battles are coming soon."

A weird flash lit up the sky over Kyiv. NASA denied it was a falling satellite, and experts still can't confirm what caused it.

Tech Insider
A screengrab shows a flash of light in front of an illuminated tail over the cityscape of Kyiv. The timestamp reads 2023-04-19 21:7:47
A screengrab from a video shows the huge flash of light illuminating the skies over Kyiv on Wednesday.

Courtesy of @olex_scherba

China has a 'stunning lead' over the US in the research of 37 out of 44 critical and emerging technologies, new study finds

Tech Insider : Politics, Environment
xi jinping
China has a 'stunning lead' over the US in the research of 37 out of 44 of critical and emerging technologies, new study finds.

Jason Lee / REUTERS

New video captures the moment one of Russia's horrifying thermobaric weapon launchers was destroyed, Ukraine says

Tech Insider
A screenshot from a video of Ukrainian forces destroying a Russian thermobaric weapon launcher.
A screenshot from a video of Ukrainian forces destroying a Russian thermobaric weapon launcher.

Land Forces of Ukraine

The Pentagon once hid 10 giant red balloons across the US — and offered $40,000 to the first people to find them all

Tech Insider
10 large red weather balloons used for DARPA's Network Challenge float outside.
On December 5, 2009, in less than seven hours, the Massachusetts Institute of Technology (MIT)’s Red Balloon Challenge Team found all ten balloons.

DARPA

Subscribe to Defense