UKRAINE

The attacks took place using weapons banned under the Minsk II agreement, underlining concerns that the conflict could get worse.

With a year-and-a-half left in office, Obama is shedding some of his trademark “no drama” style for a looser approach, admitting that he feels more fearless and liberated.

Russia has planned a lunar mission for 2029-2030, but the mission is not seen as a technological race with the U.S., which is targeting Mars.

“One should not be naive and think that Putin has given up his plans to seize Ukraine, to destabilize the situation in Ukraine."

The Defense Department said "the United States, together with our allies, remains committed to supporting Ukraine in its effort to define its own course as a sovereign, democratic nation."

A new operations center in Virginia will help the U.S. Defense Department track satellite movements in outer space.

The port city, after a lull in fighting, has seen more than 40 clashes overnight, as pro-Russian and Ukrainian forces increase hostilities.

While the West views the March 2014 annexation of Crimea as a violation of international law, Russia links the event to nationalist sentiment.

As Russia stirs, NATO is tripling its Reaction Force from 13,000 to 40,000 personnel and will open six new bases across Eastern Europe.

The foreign ministers of Russia, Ukraine, France and Germany met in Paris to talk peace, but on the ground, shooting goes on.

Ukrainian forces fired 54 shells at the rebels -- known as the Donetsk People's Republic -- damaging residential buildings and a kindergarten.

Russia has repeatedly warned the Eastern Europeans of consequences if they host elements of NATO's anti-missile shield.

The redeployment of weaponry to the region comes amid concern over the Russian military’s recent series of snap-readiness drills.

The chance of a successful prosecution is considered slim but the Dutch hope they can pressure Russia, whose role in the process is critical, into cooperating.

Russian warplanes were escorted by Norwegian and Italian jets based in Lithuania as part of NATO's Baltic Air Policing mission.

The survey of Polish citizens found that 68 percent of respondents support the extension of sanctions; just 11 percent do not.

“What’s wrong with supporting them?” Yanukovych said. “That I supported the ostriches? What’s wrong with that?”

The two countries will join forces to test Moscow's advanced S-400 missile defense system.

Asked whether he thought Russian President Vladimir Putin might change course, Defense Secretary Ash Carter said he hoped so, but "I can't be sure."

Russia will not own Greece's section of the pipeline, but it will assist in financing the $2.3 billion project.

Despite economic sanctions, European and U.S. companies are continuing to operate in most sectors of Russia's economy -- but they are struggling.