The USS F-1, a World War I-era U.S. Navy submarine, was recently discovered by researchers off the cost of San Diego, ...

During the WHOI mission to photograph the USS F-1, the researchers also surveyed another piece of military wreckage: a lost Naval aircraft called the Avenger. A torpedo bomber, the Avenger disappeared ...

Researchers have discovered the USS F-1, a World War I-era submarine, which had been lost at sea for 108 years.

Researchers took the first ever photographs of the sunken USS F-1, lost in 1917 in a collision off of California.

Russia's Crimean Bridge rocked by explosions, Ukraine's SBU claims responsibility Russian strike on downtown Sumy kills at ...

Ukraine says it hit the bridge with underwater explosives - the crossing was built by Russia after it annexed the Crimean ...

In Dec. 1917, 19 sailors serving on a World War I-era U.S. submarine made the ultimate sacrifice during a training mission. Perhaps fittingly, scientists have captured never-before-seen photos of ...

Ukraine said it had detonated a bomb under the Crimean bridge which links the annexed peninsula to Russia and has been widely ...

Ukraine said on Tuesday that it had hit the bridge connecting Russia and the occupied Crimean Peninsula with explosives ...

The sub became famous during the Cold War for sneaking underneath a Soviet aircraft carrier to snap photographs.

The attack comes two days after carrying out one of its most audacious assaults of the war deep inside Russia.