Military officials are investigating a "large balloon and payload" discovered by fishermen off the coast of Alaska last week, the Department of Defense confirmed on Friday. "A U.S. commercial ...

Each balloon would be directed to a layer where ... if only for maintenance and further development. As it turned out, large, fragile floating structures that are constantly subjected to the ...

A Chinese spy balloon that passed over the United States last year was packed with American technology that could have ...

The huge balloon, which carried a large payload of electronics, flew over sensitive US military installations and prompted ...