US Civil War-era tunnels and buildings found under Alcatraz prison Civil War-era fortifications have been discovered just below the prison's recreation yard, a study shows. Source
Treasure trove of new insects discovered on island Meet Yoda, one of 103 new insect species discovered in remote forests on the island of Sulawesi. Source
Climate change: Rain melting Greenland ice sheet ‘even in winter’ More rain is falling on Greenland's massive ice-sheet in winter, accelerating ice melting. Source