What actually happens to a spacecraft during its fiery last moments? That's the key question for the European Space Agency's ...

Autonomous AI agents have moved beyond chat—learning, organizing, and even forming online communities. From philosophy to encrypted rooms, their rapid social evolution is thrilling, and unsettling.

Ed tech companies like GoGuardian and Lightspeed Systems offer for AI software to detect self-harm. Experts and students are concerned about its accuracy and unintended consequences.