The Baltic NATO ally summoned Russia's envoy to demand an explanation, but Moscow claims the incursion was an emergency call which is being "politicized."
Chinese sailors docked in Russia with a 21-gun salute as the two countries begin sea drills in the Russian region bordering North Korea.
The RS-24 Yars flew more than 3,000 miles starting in western Russia and according to the country's Ministry of Defense, confirmed its "reliability."
Russia has said its new military drill is not aimed at any particular state, but the planned map shows the hypothetical enemy is in Poland, Latvia and Lithuania.
The Baltic Fleet has called on 70 ships from its main ports and 2,000 troops ahead of a military drill on land in nearby Belarus.
Moscow claims that any Russian military hardware was looted by rebels from Ukrainian government depots.
Russia does not claim to have ground forces in combat in Syria, though the Ratnik kit is the latest Russian infantry armor and equipment set.
Russia has a giant drill planned—and Poland fears the troops involved won't leave.
Russia's military flights over the Baltic have forced NATO to regularly scramble planes.
Kronstadt Group estimates it will take five years to produce the heavy aircraft to be used for civilian, as well as military, purposes.
Despite repeatedly assuring his rivals that Russia's upcoming military exercises were just that, President Vladimir Putin faces regional doubts.
After reportedly doubling their control of the country, Syrian troops conducted a nighttime raid behind enemy lines with the help of Russia.
The odds of a flawed launch are “high enough” to be on high readiness, Russia’s ex-Senate Defense Committee chief said.
The head of Russia's Radiation, Chemical and Biological Protection Troops says the new robots will be better equipped than people to operate in deadly environments.
Moscow denies harassing its neighbors and has accused the U.S. of undermining Russia's own national security.
Russia's tanks are "the best in the world," army chief says ahead of Olympic-style competition with China, India and others.
Russia’s sixth generation of fighter jets is not even here yet, but are its onboard anti-missile defenses simply incredible?
NATO allies have deployed a limited number of aircraft in Romania, which borders Ukraine, to assist with its air patrols. Russia is not happy.
The Black Sea is a priority area of reinforcement for the Russian navy following the annexation of nearby Crimea in 2014.
Besides giving Russia and other militaries a chance to show their capabilities on national TV, troops also sometimes get a first whiff of foreign military equipment and turf.
Special Forces head General Raymond Thomas said that, while the U.S. may wanna stay, Syria was a sovereign state and its government backs Russia.
The U.S., Russia and China are all looking to surpass each other with military innovations such as missiles and drones that use artificial intelligence.
A handful of drone manufacturers are trying to entice Russia's military with designs that could fall under its 2020 modernization program.
The three countries all want a stake in Syria's future and appear willing to secure it by making long-term military commitments.
Russia is still not sure whether its military killed ISIS leader Abu Bakr al-Baghdadi.