NASA scientists have found the remains of a U.S. military base buried 100 feet below the surface of the ice in Greenland.

Scientists are sounding urgent alarms over a hidden Cold War threat buried deep beneath Greenland's rapidly melting ice sheet. A long-abandoned US military base known as Camp Century was recently ...

Hidden deep in Alaska’s mountains, Camp Sullivan was built during World War II as a secret military complex designed to withstand Japanese attack. Engineers blasted tunnels through solid rock to ...

Men of the U.S. Army Polar Research and Development Center set up communications at the temporary camp used during the construction of Camp Century, an Arctic U.S. military research base in Greenland.

Here’s what you’ll learn when you read this story: During an April 2024 flight over the Greenland Ice Sheet, NASA scientist Chad Greene added a pretty surprising entrant to that list: a secret ...