The Soviet Typhoon-class submarines were the largest ever built—massive underwater titans with amenities like a pool and ...

China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

STOCKHOLM (Reuters) - Sweden has proof that a small foreign submarine was operating illegally in its waters last month, its top military officer said on Friday after a mysterious episode that ...

As attention turns to how Iran might respond to the recent US strikes, a key question is the extent to which it can target US interests in Gulf waters. Despite the ongoing confrontation, Iran’s navy ...