ActionAdventureTwins Underground Nuclear Aircraft Laboratory Posted: March 19, 2025 | Last updated: March 19, 2025 We explored a long-abandoned underground nuclear aircraft laboratory, once a site ...

Camp Century was built to store nukes beneath Greenland's ice. See photos of the underground, "Star Wars"-like site.

Reasons to be Cheerful explains how “gravity batteries” are giving former mines a second life—while offering an economic and ...

The Yates Shaft is one of two mineshafts used to access the underground laboratory space. The Yates is a World War II era shaft that reaches nearly a mile to the main laboratory site 4850 feet ...

coal was mined in nearly half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards that officials say can arise at any time. There are as ...

An curved arrow pointing right. Mobile laser scans reveal London's abandoned tunnels which were once used for The Post Office Railway. The tracks are 70 feet below the surface and were used to ...

The US has had a military presence in Greenland since World War II. But an abandoned underground military site poses a major environmental threat as the planet warms. Researchers found thousands ...