What’s old is new again. NASA scientists discovered an underground “city” buried 100 feet beneath the ice of Greenland.

Scientists found the 'city under the ice' nuclear base while using cutting-edge technology to explore the ice sheet around ...

"We were looking for the bed of the ice and out pops Camp Century," NASA cryospheric scientist Alex Gardner said.

NASA has discovered a military base within an ice sheet in Greenland, which dates back to 1959 and is known as the "City ...