Military experts have sounded the alarm that Ireland has become 'Europe's weak spot' due to its commitment to military ...

Six centuries after it slipped from view, a pre-Columbian city has reappeared from the bottom of a lake, its streets, plazas, ...

A high-resolution 3D model of Rano Raraku shows that the moai were created in many distinct carving zones. Instead of a ...

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...