Acid lake atop real-life ‘Mount Doom’ captured in striking new image from space station

An astronaut photograph of Mount Ruapehu taken on Sept. 23, 2021. The highly acidic hydrothermal lake, known as Crater Lake, can be seen  at the summit of the active stratovolcano. (Image credit: NASA Earth Observatory) (opens in new tab) An astronaut aboard the International Space Station (ISS) has snapped a stunning image of a snow-circled […]

Lost city, a real-life ‘Helm’s Deep,’ possibly discovered in Iraq

Nestled in a valley shadowed by mountains in Iraqi Kurdistan sits an ancient fortress that archeologists think may be the lost, royal city of Natounia, based on the discovery of intricately carved rock reliefs depicting an ancient leader, a new study finds. The stronghold, known as Rabana-Merquly, was once part of the Parthian Empire (also […]