The study of chemical equilibria for the acetic acid–n-butyl alcohol–n-butyl acetate–water system at 318.15 K and 101.3 kPa is presented. New experimental data are obtained for chemically equilibrium ...

Russia launched 479 drones at Ukraine in the biggest overnight drone bombardment of the 3-year war, the Ukrainian air force said Monday, as the Kremlin presses its summer offensive against the ...

A Russian Beriev A-50. AP Photo/Alexander Zemlianichenko, Pool, File Among the other planes that Ukraine said it hit are ones Russia has used to fire missiles in its invasion.

Nearly 1 million Russian soldiers have been killed or injured in the country’s full-scale invasion of Ukraine, according to a new study, a grisly measure of the human cost of Russian President ...

Russia's oil and gas revenue fell by 35% year-on-year in May to 512.7 billion roubles ($6.55 billion), data from the finance ministry showed on Wednesday, as weakening oil prices and sanctions ...

Operation Spider Web does not change the Ukraine-Russia war militarily. But the successful Ukrainian drone attacks do bring Russia’s military weaknesses and miscalculations into sharp focus.

Ukraine claimed to hit a key bridge that links Russia and Moscow-occupied Crimea with underwater explosives two days after it launched a wave of drones deep into Russian territory that damaged ...

Russia has launched a massive manhunt for a former DJ and his wife after they were linked to Ukraine’s stunning “Russian Pearl Harbor” attack on its airbases.

Russia has outlined its conditions to end its war in Ukraine, which include Kyiv giving up certain territories, a commitment to not join any military alliances, and limits on Ukrainian armed ...

The smaller ones, similar to the drones Ukraine used this weekend to devastate Russia’s bomber fleet, could be made many times faster, he said: roughly 4,000 per day.

Russia told Ukraine at peace talks on Monday that it would only agree to end the war if Kyiv gives up big new chunks of territory and accepts limits on the size of its army, according to a memorand… ...

Costing as little as $400 apiece, Kyiv’s flying machines are successfully neutralizing sophisticated Russian equipment worth thousands of times more.