Stockton's McLeod Lake turned pink this week, as scientists dumped dye in the hope of figuring out why there are toxic algal blooms some years but not others.

There, they found an expansive system of caves complete with thermal springs. One chamber housed a massive body of water that measured 454 feet (138 m) in length and 138 feet (42 m) in width.

Researchers discovered the body of water—now the largest known underground thermal lake in the world—while investigating a column of steam rising from limestone.

Researchers discovered the largest underground thermal lake in the world at the bottom of an “abyss.” The lake holds more than three Olympic swimming pool’s worth of water. Future ...

Researchers have returned to an underground thermal lake they first came across in 2021 in southern Albania and confirmed it is the largest of its kind known in the world.

Measurements with the scanner confirmed that it is indeed the world’s largest underground thermal lake, revealing it to be 138.3 meters (452.8 feet) long and 42 meters (137.8 feet) wide, with a ...

A research expedition in 2024 has identified Lake Neuron in a cave in southern Albania as the largest underground thermal lake. Discovered initially by Czech researchers, new 3D scanning ...

Researchers have returned to an underground thermal lake they first came across in 2021 in southern Albania and confirmed it is the largest of its kind known in the world.