Archaeologists discover “astonishing” huge circular neolithic monument next to Stonehenge (photo)
The prehistoric site features 20 or more massive shafts in a circle around the Durrington Walls henge
Archaeologists suggest surprising true purpose of Great Wall of China’s northern section
"Prior to our research, most people thought the wall's purpose was to stop Genghis Khan's army"
Massive, rotating disk Galaxy spotted 12.3 billion light-years away
Astronomers have found evidence for the most distant rotationally supported disk galaxy ever detected