In a cave in southern Italy, archaeologists sifted through a muddy riverbed normally submerged by the turquoise waters of an underground river. A dull brown artifact caught their attention — and ...

The Neglinnaya River (also called the Neglinka River) used to flow across Moscow from north to south, until it was buried underground in 4.7 miles (7.5 kilometers) of tunnels. Today it drains into ...

a secret cave that is. Stretching approximately eight miles, these beautiful underground passageways (dubbed Rio Secreto, or ...

Scientists and cavers found a “pinkish” creature with a semi-transparent belly in an underground river and discovered a new species. Photo from Lei, He, Huang, Zhou and He (2025) A team of cavers in ...

Deep underground, a construction crew is hard at ... This $615 million project is key to cleaning up the Potomac River. When heavy rain strikes a centuries-old neighborhood in Alexandria, Va., ...

It's the final leg of the massive Colorado River Aqueduct: the 13-mile-long San Jacinto tunnel, bringing up to 1,700 cubic feet of water per second underneath one of Southern California's tallest ...

Geologists say Kentucky’s natural underground drainage system is overwhelmed following the recent massive rainfall - ...

The underground river that flows into Pantai Baron in Gunungkidul, Yogyakarta, overflowed due to the flood that occurred on ...

In many parts of Brazil, rivers may be losing water to the ground instead of gaining from it. A recent study found that ...

Some underground work will cause a road closure in High River next week. Crews will be doing some underground water and sewer ...