Subsidence and rising sea levels pose a long-term crisis for China's heavily urbanized coast if left unchecked.

Known as Taam Ja', which means 'deep water' in Mayan, it reaches at least 1,380 feet (420 meters) below sea level – and scientists haven't even reached the bottom of it. Walls of blue holes ...

Hidalgo said the river was expected to reach 78 feet above sea level on Friday. That is just 3 feet below where it was during ...

NEW research has revealed the world’s deepest blue hole which travels down in length longer than the Empire State Building ...

which lies 282 feet below sea level, according to a news release from the National Park Service. People have been flocking to the valley to see the rare lake, which was dubbed "Lake Manly." ...

below sea level and a lower limit of around 5,000 feet (1,500 meters) deep. According to the Shark Research Institute, it may swim with its mouth open, using its "conspicuously white teeth" to attract ...

In this series of explainers, we answer some of the most fundamental questions about climate change, the science behind it, ...

Since so much of the West Antarctic Ice Sheet lies below sea level, it is particularly vulnerable to this warm water intrusion and may further retreat in the future. Previous observations and ...

Norwegian authorities on Monday took another step towards the controversial mining of its seabed, by inviting potential ...

"The speed at which things are going wrong is such that we have to resort to these kinds of [measures] to at least buy some ...