A group of 20 family members and friends gathered on a cabin cruiser boat near Alcatraz Island Tuesday afternoon and spread ...

Los Angeles is revisiting the federal government’s latest release of unidentified anomalous phenomenon (UAP) records, as two glaring mysteries, decades apart, remain unexplained: an unusual object ...

Minutes before the Volare began to sink into the San Francisco Bay, a trail of white smoke appeared to billow out of the boat, according to a video reviewed by the Chronicle.

German U-boats nearly strangled Allied supply lines during the war. This video explains how codebreakers exposed their ...

Rescuers are still searching for three people missing after a boat sank in San Francisco Bay near Alcatraz Island.

A 50-foot recreational pontoon boat carrying 19 adults and a dog sank near Alcatraz on Tuesday, July 14. One person and the ...

Authorities in San Francisco say one person has died, two people are missing and 16 others have been rescued from waters off ...

An uncrewed boat dropped off an armed robot on Russian occupied Kinburn Spit in a small historic first for drone warfare.

Nolan Xavier Wells was found dead two days after leaving for a boat trip with friends to celebrate the Fourth of July on an ...

The use of unmanned vessels to attack Iranian naval installations offers new evidence of how drones are taking over modern ...

Three Corsair unmanned surface vessels struck an Iranian submarine and ship maintenance facility at Bandar Abbas Naval Base ...