Ukraine spent years begging the West for long-range missiles. Now it builds millions of its own — and overnight it struck an oil refinery in Ufa, more than 800 miles from the front, for the second time,

Ukraine's air force said Russia launched 570 air attack assets at Ukraine overnight, including 496 drones, 24 Iskander ballistic missiles, and four Zircon missiles.

Ukraine is taking the war to Russia, but so far President Vladimir V. Putin’s response has been to keep attacking, including with deadly ballistic missile and drone strikes in Kyiv on Thursday.

When Ukrainian President Volodymyr Zelensky announced last week that his military would be undertaking a 40-day campaign to hammer Russian military and energy infrastructure deeper inland from the border,

Ukraine has significantly increased Russian military losses in recent months, driven largely by the expanded use of combat drones, according to the Washington-based think tank Center for Strategic