WASHINGTON, April 14 (UPI) -- Russia's leaders appear interested in a new strategic arms-reduction agreement with the United States. But until one is finally negotiated, they are pushing ahead with an ambitious and expanded program of nuclear-missile development.

MOSCOW, April 10 (UPI) -- Russia plans to keep its long-time SS-18 Satan intercontinental ballistic missile in service until 2019, a top official said Friday.

WASHINGTON, March 27 (UPI) -- Russia is continuing its massive strategic missile buildup despite its growing economic crisis that is already causing unrest across the far-flung Russian Federation.

BERLIN, March 18 (UPI) -- President Dmitry Medvedev said Russia would modernize its armed forces and nuclear weapons to counter the North Atlantic Treaty Organization's eastward expansion, but experts say the West does not have to worry about a new crisis with Moscow.

MOSCOW, Dec. 19 (UPI) -- Russia is building a new missile to respond to the U.S. missile defense system in Europe, the country's strategic missile troop commander said.

WASHINGTON, Dec. 3 (UPI) -- Russia announced last week it carried out a successful test launch of a new intercontinental ballistic missile capable of carrying multiple independently targeted re-entry vehicle warheads.

MOSCOW, Nov. 10 (UPI) -- There is a big difference between Russia and the United States in their nuclear weapons testing policies.

MOSCOW, Sept. 18 (UPI) -- The U.S. Department of Defense's decision to deploy 10 Ground-based Mid-course Interceptors -- GBIs -- in Poland will expose the real interim and end goals of its plans for a global anti-ballistic missile -- ABM -- system, which Washington started creating after it withdrew from the Soviet-American 1972 Anti Ballistic Missile treaty in 2002.

WASHINGTON, Sept. 16 (UPI) -- Boeing and Northrop Grumman last week announced the successful test-firing of a high-energy chemical laser for the first time on board the Airborne Laser aircraft.