Joy—fleeting woo-hoo moments like "catching the perfect wave"—is felt by many diverse animals, and researchers want to know how they express it in various situations and why.

New research suggests pain is not a simple signal of injury but a process that unfolds across nerves, spinal cord, and brain.

On Friday, OpenAI engineer Michael Bolin published a detailed technical breakdown of how the company’s Codex CLI coding agent ...

The stakes are particularly high for people between the ages 50 and 64. ​ ...