Most sinkholes form in “karst terrain,” areas where bedrock consists of water-soluble rocks like limestone, gypsum, or salt.

“A sinkhole is a hole that opens up in the ground due to some change in the subsurface.” This simple definition, provided by hydrogeologist Laura Toran, sums up what is so chilling about sinkholes in ...

Sinkholes are fairly common in Philadelphia due to aging water lines that leak or burst, causing the surrounding soil to wash ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

The headlight and taillights of vehicles make streaks as they zip down Snow Hill Road in Oviedo, Florida. Read full article: This infamous Florida home is lurking in the woods — and it’s got a dark ...

Sinkholes are surprisingly selective. They require the right rock, the right water chemistry, the right underground space and ...

Wrapped in warm sweaters and kitted out in hiking boots, the small group chatted and laughed before setting out on an ...

University of Toronto provides funding as a founding partner of The Conversation CA. University of Toronto provides funding as a member of The Conversation CA-FR. You trust the road beneath your tires ...

Hundreds of sinkholes have appeared in a drought-plagued region of Turkey, with new ones collapsing into the Earth across the parched landscape. A recent assessment by Turkey's Disaster and Emergency ...

Historical records show cheetahs were present in the Arabian Peninsula and the Levant until very recently, with the last ...

This amazing astronaut photo shows the bizarre whale-like shape of a Belizean tropical island. The coral-reef-covered structure is home to the Great Blue Hole, one of the deepest marine sinkholes on ...

Scientists exploring the South China Sea's Dragon Hole, a deep underwater sinkhole, discovered a thriving microbial world and an astonishing 1,700 unclassified viral types. This extreme, ...