Days after staging their largest ever drone attack on Kyiv, Russia has closed airspace for three days around a testing site for its ‘unstoppable’ hypersonic ballistic Oreshnik missile. Moscow issued a notice to airmen and shut the airspace ‘from ground level to unlimited altitude’ from 4am today until 8pm on November 30.

Hypersonic weapons like Russia’s Oreshnik missile present a formidable challenge to existing missile defense systems. However, defenses capable of intercepting them do exist.

Russian President Vladimir Putin says Moscow has tested a new intermediate-range missile in a strike on Ukraine and that it could use the weapon against countries that have allowed Kyiv to use their m

The Kremlin says that the firing of a hypersonic missile and an address by Vladimir Putin are clear messages to the West - describing the move to let Ukraine use their weapons to strike Russia as "reckless".

A new ballistic missile fired by Russia at the Ukrainian city of Dnipro last week carried multiple warheads but no explosives, and caused limited damage, two senior Ukrainian government sources said.

Russia's attack on Ukraine that used an "experimental" intermediate-range ballistic missile dubbed Oreshnik was messaging, not mass destruction. Why it matters: The Nov. 21 salvo underscored how little recourse Moscow has to Western aid — like Army Tactical Missile Systems — once deemed red lines.

Moscow on Tuesday vowed to retaliate after announcing Ukraine had struck Russian military installations with US-supplied weapons, after President Vladimir Putin had warned Kyiv and the West against th

Russia said it was planning a response after Ukraine's armed forces hit a military and civilian airfield in the Kursk region with U.S.-supplied, long-range ATCMS missiles. The Russian defense ministry said Ukraine's latest ATCMS strikes,