Scientist Pete Kelsey and his team have 3D-mapped the entire island of Alcatraz, discovering Civil War secrets, prisoner ...

Alcatraz Island is celebrating Earth Day by hosting a full day of educational activities. Zoom in: The event will feature ...

The 19-month occupation of Alcatraz Island, from 1969 to 1971, marked a turning point in American Indian activism. They embarked on a three-masted boat, intent on claiming what they saw as rightfully ...

(CNN) — The future of Alcatraz lies in one man’s hands. In 2023, as sea levels rose around the iconic island in San Francisco Bay, Pete Kelsey — a technologist specializing in 3D data ...