Limestone karst is like an island. Each rocky formation rises distinctly out of the surrounding landscape. Over time, an array of highly specialized species, each adapted to that particular landform’s ...

Giant sinkholes discovered containing untouched ancient forests ...

When regional financial leaders convened for this year’s ASEAN Capital Market Forum, the choice of venue elevated the ...

Hidden River Cave in Horse Cave, Kentucky, is home to the world’s longest underground swinging bridge, and it’s probably the ...

With the proclamation of International Day of Caves and Karst during the 43rd UNESCO General Conference in 2025 in Uzbekistan ...

The walk climbs the stone steps of Hang Mua in Ninh Binh, leading toward a rocky summit crowned with a small pagoda. From above, patchwork rice fields and limestone karst formations stretch across the ...

Deep inside a limestone cave in Thailand, scientists discovered a new millipede species with spiky, dragon-like features.

This article addresses a distributed time-varying optimal formation protocol for a class of second-order uncertain nonlinear dynamic multiagent systems (MASs) based on an adaptive neural network (NN) ...

Before there was ICE, there was the INS. Those three-lettered agencies have been the most visible immigration-enforcement entities in the United States. ICE stands for Immigration and Customs ...