Civilian Jet Breaks Sound Barrier for the First Time in Historic Test Flight

US Tech Stocks Drop after Chinese AI Startup DeepSeek Reveals Low-Cost Model

Elon Musk and Sam Altman Clash over Stargate AI Project amid Trump’s $500 Billion Initiative

Joby Aviation Nears Reality of Sky Taxis with Electric Aircraft Testing

Astronomers Discover Enormous Water Reservoir 12 Billion Light-Years Away

China’s 5G Mobile Subscriptions Reach 1.002 Billion, Solidifying Global Leadership

South Korea Successfully Launches Third Homegrown Spy Satellite

China Breaks Spacewalk Record with Nine-Hour Extravehicular Activity

December Sky Events: Meteor Showers, Planetary Views, and Astronomical Phenomena to Observe