A cutting-edge humanoid robot had an unexpected 'error' moment in Hunan, China, on September 19, when it tried – and hilariously failed – to climb a short flight of stairs during a public event. The ...

Three people fell to their deaths Sunday while rock climbing in Washington state, likely because of an equipment failure, authorities said. A fourth climber in their group survived the ordeal. The ...

Two Americans and a Canadian were climbing Aoraki/Mount Cook before failing to show up to a prearranged flight on Monday. By John Yoon Three mountaineers from the United States and Canada were ...