Articles on US Navy

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Greenland’s cryolite mine, essential for U.S. airplane production, was below sea level and vulnerable to Nazi sabotage. Reginald Wilcox, ca. 1941. Peary–MacMillan Arctic Museum, Bowdoin College

In World War II’s dog‑eat‑dog struggle for resources, a Greenland mine launched a new world order

Strategic resources have been central to the American-led global system for decades, as a historian explains. But US actions toward Greenland today are different.
Defense Secretary Pete Hegseth attends a cabinet meeting with President Donald Trump at the White House in Washington, DC on December 2, 2025. Carolyn Van Houten/The Washington Post via Getty Images

Pete Hegseth could be investigated for illegal orders by 5 different bodies – but none are likely to lead to charges

Allegations are swirling around a US military strike on an alleged drug boat that resulted in 2 civilian deaths. A military law scholar outlines how facts and accountability can be determined.
Photos claiming to be UFO evidence are often doctored or otherwise ambiguous. Ray Massey/The Image Bank via Getty Images

Why people tend to believe UFOs are extraterrestrial

While UFO videos might seem compelling, they’re rarely backed up with evidence. A sociologist explains why claims of alien life gain traction through both social and mass media every few years.
It should be obvious to this diver that this is a shipwreck and not a reef, but what about to someone looking at a image of this spot taken from an aircraft? LookBermuda/Flickr

AI spots shipwrecks from the ocean surface – and even from the air

It’s difficult to tell a shipwreck from a natural feature on the ocean floor in a scan taken from a plane or ship. This project used deep learning to get it right 92% of the time.

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