This is the remnant of an ancient structure made using animal bones by Ice Age hunters. Whether it served as a dwelling, a ...

A mammoth bone structure discovered at a Russian dig site called Kostenski 11 has been radiocarbon-dated and found to be more than 20,000 years old -- potentially classifying it as the oldest ...

Enigmatic structures on Venus could reveal unexpected activity. These formations, called coronae, are massive circular to oval structures, measuring up to several hundred kilometers (miles) in ...

Archaeologists are claiming to have discovered the oldest house in Britain. The circular structure, found at a site near Scarborough, North Yorkshire, has been dated as being made in 8,500BC.

This paper is on interfirm transaction network, hierarchical structure, circular flow, Helmholtz-Hodge decomposition, and community detection. In order to make public as quickly as possible the ...