The "secret city" was abandoned by the Americans in 1967 as the US and Russia sought to gain whatever advantage over one another during the height of the Cold War ...

This Thanksgiving, solar storms may produce faint auroras across the northern rim of the United States. Pale auroras may be ...

Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland ...

While scanning the frozen surface of northwestern Greenland this year, NASA scientists stumbled across a "city under the ice" ...