General Joseph Dunford, chairman of the Joint Chiefs of Staff, said China's rapid military reforms and economic growth threaten U.S. hegemony.
The Topol RS-12M can be fitted with a nuclear warhead and travel up to 6,800 miles, but it was local Russians who were most shaken by Tuesday's launch.
The 68-page "Russian New Generation Warfare Handbook" envisions clashes between U.S. and Russian forces, especially in Ukraine.
Chinese ambassador to the U.N Liu Jieyi appealed for cooler heads to prevail in the crisis between U.S. and North Korea, warning "the alternative is a disaster."
Turkey and Iran, traditional foes, have established common ground in Iraq, Syria and Qatar as regional alliances shift.
The Sibir weighs 33,500 tons, is more than 576 feet long and is fueled by two nuclear reactors, giving it the power to plow through icy Arctic terrain.
North Korea's Foreign Minister Ri Yong Ho said President Donald Trump's latest Twitter attack on Kim Jong Un amounted to a declaration of war.
Two rivals are battling ISIS in the jihadists' final stronghold of Deir ez-Zor. One seeks to return Syria to its former self; the other wants more power for Kurds.
Russia did not appreciate President Donald Trump's vow to "totally destroy" North Korea, and has plans of its own to solve the nuclear crisis.
Russian and U.S. allies are battling insurgents and jihadists trying to topple the Syrian government, but the latter wants to reshape the nation.
Major General Abdolrahim Mousavi, head of Iran's army, said there would be no Israel in 25 years. His Arab rivals in the Persian Gulf appear to differ.
Citing the "Israeli-Kurd" magazine, pro-government Turkish media spread reports that Iraqi Kurds made a deal with Israel to bring 200,000 Jewish Kurds to Iraq.
If ISIS was behind Friday's bombing of the London metro, it would be the group's fourth attack in the U.K. this year.
The Kentucky senator threatens to try to delay passage of the national defense bill if there isn't a debate on his amendment.
Iran and Saudi Arabia back opposing factions in wars across the Middle East, and they cut relations entirely last year.
The U.S. military said there were "a small number of casualties" after a suicide attack struck Bagram Air Field.
Chinese soldiers were rushed to the country's northeastern coast to fire missiles and machine guns designed to blast enemy planes out of the air.
While estimates vary, experts say the latest North Korean nuclear test may have produced an explosion nearly 10 times stronger than the Hiroshima bombing.
Hurricane Irma is the most powerful storm ever observed in the Atlantic basin, outside of the Caribbean and Gulf of Mexico, and it's picking up speed.
North Korea has lashed out at U.S. regional allies South Korea and Japan for acting on Washington's behalf and undermining Kim Jong Un's nuclear ambitions.