NASA has abandoned an ambitious attempt to save its aging Neil Gehrels Swift Observatory after the robotic spacecraft sent to rescue it developed serious control problems in orbit. The commercial LINK spacecraft, built by Katalyst...

After 27 years at Google, Jeff Dean has made a move that would have seemed unlikely just a few years ago: he left one of the world’s most powerful technology companies to build an AI...

Russia’s S-400 has become one of the world’s best-known long-range air defense systems, but its successor is already taking shape. Over the next two decades, the S-500 Prometheus is expected to take on a growing...

What began in Germany as an attempt to turn gym workouts into a competitive sport has become a global fitness phenomenon. Hyrox combines endurance running with functional strength exercises in a standardised race format. Unlike...

Apple and OpenAI are heading toward a major lawsuit over allegations that former Apple employees took confidential information to the artificial intelligence company as it develops new consumer hardware. Apple sued OpenAI, OpenAI’s hardware subsidiary...

Iceland, Qatar and Singapore consume far more energy per person than most countries, but the picture changes sharply when the world’s most populous nations are considered. According to the Energy Institute’s Statistical Review of World...

The Pizza Theorem may be one of the rare mathematical ideas that can settle an argument before the pizza gets cold. The geometry behind it shows that two people can divide a round pizza into...

On August 11, a Syrian court sentenced Bashar al-Assad to death in absentia for crimes including premeditated killings, torture, arbitrary detention, crimes against humanity, and the killing of children during Syria’s devastating civil war. His...

As military tensions across the Taiwan Strait continue to rise, Taiwan is accelerating efforts to strengthen its defenses against a potential Chinese invasion. Among the island’s most closely watched initiatives is the “Hellscape” strategy—an asymmetric...

The August 12 total solar eclipse will create a spectacular celestial event across parts of the Northern Hemisphere, but two NASA aviators will experience something most people on the ground cannot: an unusually long period...