Defense

Here’s what a historian who has studied J. Robert Oppenheimer for two decades has to say about the new Christopher Nolan film on the father of the atomic bomb.

Hundreds of the scientists who worked on the Manhattan Project were women. They were physicists, chemists, engineers and mathematicians. Today we bring you the story of one of them.

A new report says flooding and heat waves exacerbated by climate change could complicate U.S. nuclear launches

Russia and other nations are working on “sovereign Internet” systems that threaten digital rights—and the stability of the global Internet 

Specialists speculate that a Chinese spacecraft that spent nine months in Earth’s orbit might be similar to a U.S. space plane, and it could have research or military uses

Facing Russia’s nuclear threats, the U.S. and its G7 allies must not whitewash their own

Antidrone technology is combatting “flying IEDs” in the air over Ukraine—with implications beyond the war with Russia

In the inaugural episode of Cosmos, Quickly, we blast off with Lt. Gen. Nina Armagno of the Space Force, who is charged with protecting our space in space, particularly from Russia and China.

An MQ-9 Reaper drone is sitting at the bottom of the Black Sea. Will the U.S. or Russia recover it?

Smart U.S. leadership and international pressure on Russia can prevent an unconstrained global nuclear arms race

By shunting pilot observations aside, the Pentagon likely fostered a UFO fad and overlooked Chinese intelligence technology entering U.S. airspace

Every question we have about the airborne objects that may or may not be spying on the U.S.