"China's continued militarization of disputed features in the South China Sea only serve to raise tensions and destabilize the region," the Pentagon said.
Only the U.S., Russia and some European Union countries have such advanced stealth capabilities.
China says it has "the resolve, confidence and ability" to defend its territorial integrity by reuniting Taiwan with the mainland by force.
China is investing in military bases to project its power across the Asia Pacific and there's little the U.S. can do to stop it.
China is holding drills bigger and more frequent than before at a time when it's making it clear that it will take Taiwan back by force if necessary.
Marine Corps will send more than 1,500 troops to Australia to train with several nations that claim the same waters China wants to commandeer as its own.
The Black Sea is fascinating to archaeologists because its zero-oxygen "dead zone" preserves shipwrecks and artifacts for thousands of years.
The Russian military has carried out a series of drills near its border with North Korea as tensions have escalated, and Moscow has vowed to firm up defenses in case of war.
Passengers aboard a Spanish ship spotted the corpses.
New images suggest the Chinese navy has outpaced its U.S. and Russian counterparts in developing a powerful ship-mounted railgun.
Russia said U.S. pilots should avoid traveling near Crimea—or expect Moscow's jets to fly close by.
After passing its testing, the Sea Hunter has been given to the Navy's research office who will develop it into a ship fit for the ranks of a fleet.
Vladimir Putin has outlined the Arctic where Russia expects the U.S. and others to vie for "intimidating supremacy."
Desecration of this kind is in violation of international law.
"This is the most important archaeological find ever made in Israel."
Victor Davis Hanson writes that the ethos of the WW2 generation is fading and hasn't been passed to today's young adults.
The alliance is concerned about Moscow's presence near undersea communication lines.
The remains of the AE1, which vanished in 1914 with 35 crew on board, have been located near Papa New Guinea.
More than a dozen feet have been discovered in the area.
Surveying four small Russian islands near the shores of Alaska, scientists spotted a grizzly "fence" of bones on the beach that turned up a rare discovery.
The vessels will spend four months at sea, calling at nine foreign ports.
Shouldn't avoiding collisions be simple for a destroyer equipped with GPS and radar?
The Chinese navy closes off 15,000 square miles in the East China Sea to perform live-fire drills as the U.S.-North Korea rivalry escalates.
China's Haiyi (or "Sea Wings") unmanned underwater glider has broken world records and can instantly detect U.S. submarines in the tense South China Sea.