geological

A round hole image with seemingly endless depths posted on Flickr's photo sharing site makes many people think that it is just a Photoshop product.

When the land above the underground caves collapses,

Scientists have not found the culprit behind the giant pit in Guatemala's capital.

A hole up to 80 m wide appears in the courtyard of a school in southern China.

Recently, in China, there have been continuous occurrences of large sinking holes - the earth suddenly

With a negative average temperature of 260 degrees Fahrenheit, the atmosphere is almost non-existent, with a complex network of cracks in the ice that completely covers the

Over 80% of plants and more than 90% of animals in Madagascar cannot be found anywhere else on the planet.

The terrifying combination of geological and geographic factors has made the Samoa Islands people have no chance to escape the tsunami on September 29.