The Maya civilization was far more populous than previously thought — supporting as many as 16 million people across parts of ...

An unpiloted spaceplane took off from a runway, soared to 67,000 ft at Mach 1.03, and tested rapid detection tech for ...

The breakthrough suggests that certain quantum effects in larger, hotter systems could be studied without massive cryogenic ...

The sci-fi-like project won the top prize in the Project Hyperion Design Competition, a contest for designing hypothetical multigenerational ships.

Sam Altman says ChatGPT-5 feels like a real expert. Launched today, the model can code from scratch and deliver on-demand ...