Members of a Ukrainian volunteer air-defense unit checking over a newly received Browning machine gun near Pereiaslav, a town 50 miles southeast of Kyiv. Constant Méheut/The New York Times ...

Satellite imagery suggests that Israeli’s attack on Iran appears to have damaged a key element of Tehran’s ballistic missile production and air defense sites, potentially leaving it exposed to ...

On Wednesday, Twitter announced that users who pay extra will be able to send their thoughts into the world in tweets of up to 4,000 characters, instead of 280 or less. A few hours later, the site ...