Soldiers panicked, drones surveilling Russian forces went dark, and long-range artillery units struggled to hit targets.

Russia has advanced around Pokrovsk for many months, but has so far failed to entirely encircle or seize control of the city.

EXCLUSIVE: Meet the enterprising trainee lawyer who helped invent a unique website used by millions of people every day to ...

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

In the last two months, dozens of Russian regions have been hit by cellphone connectivity outages. Officials say such ...

President Vladimir Putin believes Russia's economy and its military are strong enough to weather any additional Western ...

A plane carrying 49 people crashed in Russia's far eastern region of Amur and its fuselage was found ablaze with no evidence ...

Russia now controls more than two-thirds of Ukraine’s Donetsk region — the main theater of the ground war. Russian forces ...

Trump and Putin speak on call following U.S. pause of weapons shipments to Ukraine. Russia continues escalating attacks on ...

Hawai’i was briefly under the threat of a possible tsunami — based on available data being investigated by forecasters in ...