The U.S.-led coalition and the axis of Russia, Iran and Syria both claim Iraq as an ally—and Baghdad may be the key to bringing them together.
U.N. Secretary-General António Guterres said the mechanisms that prevented the last Cold War from escalating no longer exist. That spells trouble.
"There has been nobody tougher on Russia than President Donald Trump," said President Donald Trump.
Naples Mayor Luigi de Magistris said his "City of Peace" was no place for nuclear weapons or nuclear-powered vessels.
Iraq was one of the few Middle Eastern countries to condemn the U.S. attack on Syria, which Baghdad saw as an ally against ISIS.
Since 2001, the U.S. has been involved in several ongoing overseas conflicts with no clear end in sight.
The world's top two military powers may be on a collision course in Syria.
"The Russians met their match," said CIA Director Mike Pompeo, who has been nominated for secretary of state.
"We hope the Trump administration thinks twice before deciding to attack Syria," the ruling Chinese Communist Party's newspaper said.
Defense Secretary James Mattis is heading to the White House to show President Donald Trump his options for attacking Syria.
Russia has bolstered its air defenses in Syria, but shooting down a U.S. cruise missile is a sophisticated task that will put Putin's military to the test.
Two opposing, multinational alliances are forming as President Donald Trump decides whether or not to attack Syria.
Russian jets are soaring over the waters of the Mediterranean, and Syria has moved new air defenses near Assad's presidential palace.
President Trump could decide whether to attack Syria as soon as "later today," a move that could draw a Russian military response.
The battlefield may never be the same again after humans followed remote-controlled military vehicles into battle.
With ISIS, Syria’s universal enemy, largely defeated last year, international powers have begun to turn on each other in 2018.
In contrast to the allegedly scaled-down U.S. and South Korean drills, experts have commented on the unusually large formation of Chinese warships heading to the South China Sea.
The Syrian military has forced the insurgents of eastern Ghouta to either surrender or leave, but pro-Assad forces expected a fight with ISIS in the south.
Russia, Iran and Syria suspect that the U.S. is trying to split Syria and the region as a whole in order to take advantage of the unrest.
The 678th Air Defense Artillery Brigade uncased its colors as tensions between Russia and the West began to peak.
The anti-satellite weapons are part of massive pushes to upgrade and update their militaries.
Russia's top diplomat argued that U.S. military presence in Syria was illegal and rebutted accusations over the poisoning of an ex-Soviet spy.
Turkey and its insurgent allies are sweeping through Kurdish territory and risking an international conflict with the U.S., France, Syria and Iraq.
The U.S. and Russia have both contributed to the fight against ISIS, but their goals for postwar Syria differ.
A top Russian general reportedly intervened to stop an attack from the U.S., preventing a repeat from last month in which many Russians were killed.