cavern

But small excavations between 2021 and 2024, brought on by Bolton's chance visit to the cavern, uncovered evidence of both humans and animals over more than 120,000 years.

From BBC ● Jul. 16, 2026

Air Products—a major supplier and distributor of helium, serving customers in electronics, aerospace and medical imaging—said drawing on its storage cavern in Beaumont allowed it to service clients despite curtailments from Qatar.

From The Wall Street Journal ● Jun. 25, 2026

The cave, an underwater system which extends for hundreds of meters through multiple chambers and internal passages, begins with a first large, bright cavern with a sandy bottom.

From Barron's ● May 21, 2026

For the typically still-water environment, the waves disrupted the shallow shelf that the pupfish use as a spawning area, likely knocking eggs deep into the cavern.

From Los Angeles Times ● Dec. 12, 2024

Bolverkr slid in snake shape through the hole in the mountain until the hole ended and he found himself in a huge cavern.

From "Norse Mythology" by Neil Gaiman

Freshly excavated caverns 100m underground sit next to stores that have been used for sparkling wine, apples and cheese in recent years.

From BBC ● Aug. 18, 2026

In underground salt caverns in Texas and Louisiana, the U.S. government stores hundreds of millions of barrels worth of oil in case of energy shocks.

From The Wall Street Journal ● Jul. 18, 2026

Analysts say the U.S.’s ability to weather oil disruptions doesn’t hinge on the caverns as much as it used to.

From The Wall Street Journal ● Jul. 13, 2026

The caverns offer “the best security and the most affordable means of storage,” it said, compared with above-ground tanks.

From MarketWatch ● May 28, 2026

They were deep down the tunnel worming through the caverns in the opposite direction.

From "The Smartest Kid in the Universe" by Chris Grabenstein