When a $400 drone can destroy a multi-million-dollar tank, defense departments need to radically rethink their procurement.

Artificial intelligence can control increasingly sophisticated uncrewed aircraft and submersibles, changing the nature of ...

The Ukrainian air force said on Tuesday that Russia launched 139 drones and an Iskander-M ballistic missile during an overnight attack.

That's all for our live coverage today, but we'll be back with more updates and analysis tomorrow. If you're just checking in, here is a recap of the key developments today: The US and Russia held ...