How white supremacists used the loosely moderated social media platform Telegram to inspire lethal violence — until authorities took them down.

Telegram has been blocked in Russia's Dagestan and Chechnya regions due to concerns about its potential use by enemies. The decision, made at the federal level, follows a rise in militant Islamist ...

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

French authorities charged Telegram CEO Pavel Durov with six crimes on Wednesday related to allegations that the tech leader ...

Based in Dubai and founded by Russian-born Pavel Durov, the messenger has nearly one billion users and is used widely in Russia, Ukraine and other former Soviet republics. Moscow tried but failed ...

PARIS/MOSCOW (Reuters) -Pavel Durov, the Russian-born billionaire founder and owner of the Telegram messaging app, was arrested at Le Bourget airport outside Paris shortly after landing on a ...

Today marks three years since Russia’s illegal, unprovoked, and brutal invasion of Ukraine. The Ukrainian people have heroically fought the war with grit and determination, but they have also ...