Have you ever walked through the ruins of an ancient city and wondered what life sounded like back then? So has Sezin Nas, a researcher of interior architecture and acoustics at Istanbul Galata ...

Sezin Nas, a researcher in interior architecture and acoustics at Istanbul Galata University, is exploring the soundscape of Derinkuyu, an ancient underground city in Turkey.

The vast underground city of Derinkuyu descends 280 feet and once sheltered 20,000 people in an intricate network of tunnels and chambers.

Located in modern-day Turkey, the ancient underground city Derinkuyu spanned seven levels, with four main ventilation channels and over 50,000 other smaller shafts. Researcher Sezin Nas re-created ...

The Freedom Journey app was developed to highlight the Underground Railroad, as the area celebrates its historical connections to the Ohio River.

Celebrations across the country marked Juneteenth, the day when enslaved people in Galveston, Texas, learned of their freedom.

Archaeologists Found a 2,000-Year-Old Cult Site Hidden Beneath a Subterranean River But they only found it after damming the river.

Scientists found fish with four nostrils, large eyes, wide mouth in underground river and discovered new species: Panzhou golden-lined barbel, study said.

-New Gold Inc. is pleased to announce the completion of significant production milestones at the New Afton copper-gold mine in British Columbia and the Rainy River gold mine in Ontario. At Rainy ...