Understanding Permafrost Permafrost is frozen ground that remains solid for at least two consecutive years. It is prevalent ...

(Eve Baker/Fort Wainwright Public Affairs Office) As warming conditions create new operating pathways in the Arctic ... Alaska, that concluded last year required engineers to excavate warm ...

The city’s government said of the sinkholes in an emergency decree: "In the space of the last few months, the dimensions have expanded exponentially, approaching substantially closer to the ...

Gates of the Arctic isn’t even the biggest national park; that title belongs to Wrangell-St. Elias in south-central Alaska. But at 200 miles long and 130 miles wide, Gates of the Arctic was just ...

Sinkholes are no longer rare – it’s time to ask what’s making them worse. For most of us, sinkholes are the stuff of science fiction movies – terrifying, but infrequent. That illusion ...

The city of Buriticupu, in the northeastern tip of the Brazilian Amazon, is being slowly swallowed by the earth. In the past few weeks, huge sinkholes, several meters deep, have led the municipal ...

In recent weeks, huge sinkholes, several metres deep, have led the municipal government to declare a state of emergency. Some 1,200 people out of a population of 55,000 are at risk of having their ...

A state of emergency has been declared in the Brazilian Amazon after massive sinkholes opened up, threatening thousands of homes. Several buildings in the city of Buriticupu, in Maranhão state ...

In recent weeks, huge sinkholes, several meters (feet) deep, have led the municipal government to declare a state of emergency. Some 1,200 people of total 55,000 population are at risk of having ...

BURITICUPU, Brazil (Reuters) – The city of Buriticupu, in the northeastern tip of the Brazilian Amazon, is being slowly swallowed by the earth. In recent weeks, huge sinkholes, several meters (feet) ...