Diphenilamino-substituted carbazoles were used as guest compounds for the preparation of highly efficient blue organic light-emitting diodes based on the phenomenon of delayed fluorescence. It was ...

Colonel Serhii Zakharevych, Commander of the 110th Separate Mechanized Brigade named after General-Khorunzhyi Marko Bezruchko ...

According to Ukrinform, Presidential Decrees No. 435/2025 and No. 436/2025, dated June 27, were published on the official website of the head of state. The awards acknowledge the service memebers’ ...

In addition, the Head of State honored defenders with the Orders of Bohdan Khmelnytsky (1st and 3rd Class), the Orders “For Courage” (1st to 3rd Class), the Orders of Princess Olga (3rd Class), and ...

While the exact location of the airfield has not been confirmed, both Russian and Ukrainian media point to the Starokonstantinov base in Ukraine’s western Khmelnytsky region.

Russia has launched a major strike on a Ukrainian military airfield using Kinzhal hypersonic missiles and long-range precision air-based weapons, according to the Russian Defence Ministry. Drones ...

Explosions were heard in the regions of Zhytomyr, Kiev, Khmelnytsky, Cherkasy, Dnipropetrovsk, Kropyvnytsky, Zaporizhia, Sumy, Mykolaiv and Poltava. By midnight on June 26, the Russian Defense ...

Horodyshche-Pustovarivska Agricultural Company LLC (HOPAK), part of the Gals Agro Holding, exported its first batch of domestically produced biomethane to Germany, the consulting agency ExPro reported ...

Under the terms of the treaty, Bohdan Khmelnytsky pledged allegiance to Tsar Alexey of Russia.

Emergency and restoration work at the site of Russian shelling in the Shevchenkivsky district of Kyiv has been completed, the State Emergency Service of Ukraine (SES) reported on Thursday.